210232111120388 has 48 divisors (see below), whose sum is σ = 426305852232960. Its totient is φ = 88848172353024.

The previous prime is 210232111120387. The next prime is 210232111120453. The reversal of 210232111120388 is 883021111232012.

It is a happy number.

It is a super-2 number, since 2×210232111120388² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210232111120387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774545 + ... + 20519847.

It is an arithmetic number, because the mean of its divisors is an integer number (8881371921520).

Almost surely, 2^{210232111120388} is an apocalyptic number.

210232111120388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

210232111120388 is an abundant number, since it is smaller than the sum of its proper divisors (216073741112572).

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

210232111120388 is a wasteful number, since it uses less digits than its factorization.

210232111120388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19750596 (or 19750594 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 210232111120388 in words is "two hundred ten trillion, two hundred thirty-two billion, one hundred eleven million, one hundred twenty thousand, three hundred eighty-eight".