23111223110120 has 32 divisors (see below), whose sum is σ = 55059090352200. Its totient is φ = 8700695758848.

The previous prime is 23111223110093. The next prime is 23111223110161. The reversal of 23111223110120 is 2101132211132.

It can be written as a sum of positive squares in 4 ways, for example, as 22316875157476 + 794347952644 = 4724074^2 + 891262^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23111223110092 and 23111223110101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16993545725 + ... + 16993547084.

Almost surely, 2^{23111223110120} is an apocalyptic number.

23111223110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111223110120 is an abundant number, since it is smaller than the sum of its proper divisors (31947867242080).

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

23111223110120 is a wasteful number, since it uses less digits than its factorization.

23111223110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33987092837 (or 33987092833 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 23111223110120 its reverse (2101132211132), we get a palindrome (25212355321252).

The spelling of 23111223110120 in words is "twenty-three trillion, one hundred eleven billion, two hundred twenty-three million, one hundred ten thousand, one hundred twenty".