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121113102110031 = 3213457011345559
BaseRepresentation
bin11011100010011011010111…
…011011011100110101001111
3120212211022002022202221202200
4123202123113123130311033
5111333304113120010111
61105330331354052543
734340063401050213
oct3342332733346517
9525738068687680
10121113102110031
1135654861802409
1211700644a1a153
135276bbb7a8975
1421c9c96682943
15e0066a4c8256
hex6e26d76dcd4f

121113102110031 has 6 divisors (see below), whose sum is σ = 174941147492280. Its totient is φ = 80742068073348.

The previous prime is 121113102110029. The next prime is 121113102110087. The reversal of 121113102110031 is 130011201311121.

121113102110031 is a `hidden beast` number, since 1 + 2 + 111 + 310 + 211 + 0 + 0 + 31 = 666.

It is not a de Polignac number, because 121113102110031 - 21 = 121113102110029 is a prime.

It is a super-2 number, since 2×1211131021100312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121113102109986 and 121113102110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113102110531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6728505672771 + ... + 6728505672788.

It is an arithmetic number, because the mean of its divisors is an integer number (29156857915380).

Almost surely, 2121113102110031 is an apocalyptic number.

121113102110031 is a deficient number, since it is larger than the sum of its proper divisors (53828045382249).

121113102110031 is a wasteful number, since it uses less digits than its factorization.

121113102110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13457011345565 (or 13457011345562 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 121113102110031 its reverse (130011201311121), we get a palindrome (251124303421152).

The spelling of 121113102110031 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred two million, one hundred ten thousand, thirty-one".

Divisors: 1 3 9 13457011345559 40371034036677 121113102110031