23221121120 has 24 divisors (see below), whose sum is σ = 54859899024. Its totient is φ = 9288448384.

The previous prime is 23221121081. The next prime is 23221121123. The reversal of 23221121120 is 2112112232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221121123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72565844 + ... + 72566163.

It is an arithmetic number, because the mean of its divisors is an integer number (2285829126).

Almost surely, 2^23221121120 is an apocalyptic number.

23221121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221121120 is an abundant number, since it is smaller than the sum of its proper divisors (31638777904).

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

23221121120 is a wasteful number, since it uses less digits than its factorization.

23221121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145132022 (or 145132014 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 23221121120 its reverse (2112112232), we get a palindrome (25333233352).

It can be divided in two parts, 2322112 and 1120, that added together give a palindrome (2323232).

The spelling of 23221121120 in words is "twenty-three billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".