121112332100023 has 24 divisors (see below), whose sum is σ = 135050611832640. Its totient is φ = 108513249873600.

The previous prime is 121112332099981. The next prime is 121112332100047. The reversal of 121112332100023 is 320001233211121.

It is a de Polignac number, because none of the positive numbers 2^k-121112332100023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121112332099967 and 121112332100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112332100723) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6049048 + ... + 16697773.

It is an arithmetic number, because the mean of its divisors is an integer number (5627108826360).

Almost surely, 2^{121112332100023} is an apocalyptic number.

121112332100023 is a deficient number, since it is larger than the sum of its proper divisors (13938279732617).

121112332100023 is a wasteful number, since it uses less digits than its factorization.

121112332100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22747479 (or 22747468 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121112332100023 its reverse (320001233211121), we get a palindrome (441113565311144).

The spelling of 121112332100023 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, one hundred thousand, twenty-three".