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101220202011222 = 23372359197331107
BaseRepresentation
bin10111000000111100101010…
…001011110101101001010110
3111021101120000220200010211000
4113000330222023311221112
5101231342433203324342
6555135530250324130
730214626652124220
oct2700745213655126
9437346026603730
10101220202011222
112a285279259308
12b4291a0a29646
134463040c18138
141add1263a9410
15ba7e82d2b44c
hex5c0f2a2f5a56

101220202011222 has 128 divisors (see below), whose sum is σ = 272790523699200. Its totient is φ = 27193805055648.

The previous prime is 101220202011209. The next prime is 101220202011223. The reversal of 101220202011222 is 222110202022101.

It is a happy number.

101220202011222 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 20 + 201 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101220202011195 and 101220202011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220202011223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98152608 + ... + 99178499.

It is an arithmetic number, because the mean of its divisors is an integer number (2131175966400).

Almost surely, 2101220202011222 is an apocalyptic number.

101220202011222 is an abundant number, since it is smaller than the sum of its proper divisors (171570321687978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220202011222 is a wasteful number, since it uses less digits than its factorization.

101220202011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197331207 (or 197331201 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101220202011222 its reverse (222110202022101), we get a palindrome (323330404033323).

The spelling of 101220202011222 in words is "one hundred one trillion, two hundred twenty billion, two hundred two million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 54 59 63 69 118 126 138 161 177 189 207 322 354 378 413 414 483 531 621 826 966 1062 1239 1242 1357 1449 1593 2478 2714 2898 3186 3717 4071 4347 7434 8142 8694 9499 11151 12213 18998 22302 24426 28497 36639 56994 73278 85491 170982 256473 512946 197331107 394662214 591993321 1183986642 1381317749 1775979963 2762635498 3551959926 4143953247 4538615461 5327939889 8287906494 9077230922 10655879778 11642535313 12431859741 13615846383 23285070626 24863719482 27231692766 31770308227 34927605939 37295579223 40847539149 63540616454 69855211878 74591158446 81497747191 81695078298 95310924681 104782817817 122542617447 162995494382 190621849362 209565635634 244493241573 245085234894 267778312199 285932774043 314348453451 488986483146 535556624398 571865548086 628696906902 733479724719 803334936597 857798322129 1466959449438 1606669873194 1715596644258 1874448185393 2200439174157 2410004809791 3748896370786 4400878348314 4820009619582 5623344556179 7230014429373 11246689112358 14460028858746 16870033668537 33740067337074 50610101005611 101220202011222