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10221002211020 = 2257154679131639
BaseRepresentation
bin1001010010111100001100…
…1101001011111011001100
31100012010012012212210122012
42110233003031023323030
52314430103031223040
633423244045240352
72103304651215236
oct224570315137314
940163165783565
1010221002211020
113290780318207
121190a94b630b8
13591ab46849a3
142749b065b256
1512ad120ee865
hex94bc334becc

10221002211020 has 48 divisors (see below), whose sum is σ = 21766979404800. Its totient is φ = 4030713435840.

The previous prime is 10221002210989. The next prime is 10221002211041. The reversal of 10221002211020 is 2011220012201.

It is a super-3 number, since 3×102210022110203 (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221002210986 and 10221002211004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77578361 + ... + 77709999.

It is an arithmetic number, because the mean of its divisors is an integer number (453478737600).

Almost surely, 210221002211020 is an apocalyptic number.

10221002211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221002211020 is an abundant number, since it is smaller than the sum of its proper divisors (11545977193780).

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

10221002211020 is a wasteful number, since it uses less digits than its factorization.

10221002211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186398 (or 186396 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10221002211020 its reverse (2011220012201), we get a palindrome (12232222223221).

The spelling of 10221002211020 in words is "ten trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 54679 109358 131639 218716 263278 273395 526556 546790 658195 1093580 1316390 2632780 3882209 7764418 9346369 15528836 18692738 19411045 37385476 38822090 46731845 77644180 93463690 186927380 7197888881 14395777762 28791555524 35989444405 71978888810 143957777620 511050110551 1022100221102 2044200442204 2555250552755 5110501105510 10221002211020