23211222120 has 96 divisors (see below), whose sum is σ = 75495719520. Its totient is φ = 6184798080.

The previous prime is 23211222071. The next prime is 23211222137. The reversal of 23211222120 is 2122211232.

23211222120 is a `hidden beast` number, since 2 + 321 + 1 + 222 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23211222093 and 23211222102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445855 + ... + 495185.

It is an arithmetic number, because the mean of its divisors is an integer number (786413745).

Almost surely, 2^23211222120 is an apocalyptic number.

23211222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211222120 is an abundant number, since it is smaller than the sum of its proper divisors (52284497400).

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

23211222120 is a wasteful number, since it uses less digits than its factorization.

23211222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50655 (or 50648 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23211222120 its reverse (2122211232), we get a palindrome (25333433352).

The spelling of 23211222120 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty".