23111032122 has 12 divisors (see below), whose sum is σ = 50073902970. Its totient is φ = 7703677368.

The previous prime is 23111032117. The next prime is 23111032123. The reversal of 23111032122 is 22123011132.

23111032122 is a `hidden beast` number, since 2 + 311 + 10 + 321 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21721159161 + 1389872961 = 147381^2 + 37281^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1283946229 = 23111032122 / (2 + 3 + 1 + 1 + 1 + 0 + 3 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 23111032095 and 23111032104.

It is not an unprimeable number, because it can be changed into a prime (23111032123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641973097 + ... + 641973132.

Almost surely, 2^23111032122 is an apocalyptic number.

23111032122 is an abundant number, since it is smaller than the sum of its proper divisors (26962870848).

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

23111032122 is a wasteful number, since it uses less digits than its factorization.

23111032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283946237 (or 1283946234 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23111032122 its reverse (22123011132), we get a palindrome (45234043254).

The spelling of 23111032122 in words is "twenty-three billion, one hundred eleven million, thirty-two thousand, one hundred twenty-two".