23221131100 has 36 divisors (see below), whose sum is σ = 50852170600. Its totient is φ = 9203232960.

The previous prime is 23221131047. The next prime is 23221131107. The reversal of 23221131100 is 113112232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221131107) 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 11 ways as a sum of consecutive naturals, for example, 1054290 + ... + 1076089.

Almost surely, 2^23221131100 is an apocalyptic number.

23221131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221131100 is an abundant number, since it is smaller than the sum of its proper divisors (27631039500).

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

23221131100 is a wasteful number, since it uses less digits than its factorization.

23221131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130502 (or 2130495 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23221131100 its reverse (113112232), we get a palindrome (23334243332).

The spelling of 23221131100 in words is "twenty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred".