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1201010101122 = 231329218308639
BaseRepresentation
bin10001011110100001110…
…001111100101110000010
311020211000110101120020010
4101132201301330232002
5124134132041213442
62315423022325350
7152525102264166
oct21364161745602
94224013346203
101201010101122
1142338898a007
1217491ba29856
1389340950790
14421b4744ca6
1521393714b9c
hex117a1c7cb82

1201010101122 has 48 divisors (see below), whose sum is σ = 2679066673920. Its totient is φ = 356798737344.

The previous prime is 1201010101111. The next prime is 1201010101127. The reversal of 1201010101122 is 2211010101021.

It is a junction number, because it is equal to n+sod(n) for n = 1201010101098 and 1201010101107.

It is not an unprimeable number, because it can be changed into a prime (1201010101127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9088722 + ... + 9219917.

It is an arithmetic number, because the mean of its divisors is an integer number (55813889040).

Almost surely, 21201010101122 is an apocalyptic number.

1201010101122 is an abundant number, since it is smaller than the sum of its proper divisors (1478056572798).

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

1201010101122 is a wasteful number, since it uses less digits than its factorization.

1201010101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18308715 (or 18308686 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201010101122 its reverse (2211010101021), we get a palindrome (3412020202143).

The spelling of 1201010101122 in words is "one trillion, two hundred one billion, ten million, one hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13 26 29 39 58 78 87 174 377 754 841 1131 1682 2262 2523 5046 10933 21866 32799 65598 18308639 36617278 54925917 109851834 238012307 476024614 530950531 714036921 1061901062 1428073842 1592851593 3185703186 6902356903 13804713806 15397565399 20707070709 30795130798 41414141418 46192696197 92385392394 200168350187 400336700374 600505050561 1201010101122