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101211220012210 = 257211315783104743
BaseRepresentation
bin10111000000110100010010…
…110100001110110010110010
3111021100200211221110022111221
4113000310102310032302302
5101231221034310342320
6555131443111055254
730214161245315200
oct2700642264166262
9437320757408457
10101211220012210
112a28148a142530
12b4274b497152a
13446223c0cb419
141adc91351c070
15ba7b095083aa
hex5c0d12d0ecb2

101211220012210 has 192 divisors, whose sum is σ = 238690989195264. Its totient is φ = 30523159497600.

The previous prime is 101211220012193. The next prime is 101211220012219. The reversal of 101211220012210 is 12210022112101.

It is a super-2 number, since 2×1012112200122102 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101211220012219) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 966229099 + ... + 966333841.

It is an arithmetic number, because the mean of its divisors is an integer number (1243182235392).

Almost surely, 2101211220012210 is an apocalyptic number.

101211220012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211220012210 is an abundant number, since it is smaller than the sum of its proper divisors (137479769183054).

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

101211220012210 is a wasteful number, since it uses less digits than its factorization.

101211220012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110589 (or 110582 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211220012210 its reverse (12210022112101), we get a palindrome (113421242124311).

The spelling of 101211220012210 in words is "one hundred one trillion, two hundred eleven billion, two hundred twenty million, twelve thousand, two hundred ten".