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220210022022221 = 71129231109695463
BaseRepresentation
bin110010000100011110100100…
…001000110111110001001101
31001212200212120001120201122202
4302010132210020313301031
5212330410111114202341
62100203030524251245
764245435426146210
oct6204364410676115
91055625501521582
10220210022022221
1164190600628180
12208462169a0b25
1395b493ccbcc3a
143c54316db9777
151a6d27c15779b
hexc847a4237c4d

220210022022221 has 48 divisors (see below), whose sum is σ = 293513469370368. Its totient is φ = 160330887259200.

The previous prime is 220210022022217. The next prime is 220210022022257. The reversal of 220210022022221 is 122220220012022.

It is not a de Polignac number, because 220210022022221 - 22 = 220210022022217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220210022022193 and 220210022022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210022024221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52840265 + ... + 56855198.

It is an arithmetic number, because the mean of its divisors is an integer number (6114863945216).

Almost surely, 2220210022022221 is an apocalyptic number.

It is an amenable number.

220210022022221 is a deficient number, since it is larger than the sum of its proper divisors (73303447348147).

220210022022221 is a wasteful number, since it uses less digits than its factorization.

220210022022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109695570 (or 109695541 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220210022022221 its reverse (122220220012022), we get a palindrome (342430242034243).

The spelling of 220210022022221 in words is "two hundred twenty trillion, two hundred ten billion, twenty-two million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 7 11 29 31 77 203 217 319 341 841 899 2233 2387 5887 6293 9251 9889 26071 64757 69223 182497 286781 2007467 109695463 767868241 1206650093 3181168427 3400559353 8446550651 22268178989 23803915471 34992852697 37406152883 92253884383 98616221237 244949968879 261843070181 645777190681 690313548659 1014792728213 1084778433607 2859870415873 7103549097491 7593449035249 20019092911111 31458574574603 220210022022221