102331221144 has 64 divisors (see below), whose sum is σ = 267031779840. Its totient is φ = 32617474560.

The previous prime is 102331221067. The next prime is 102331221191. The reversal of 102331221144 is 441122133201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920624 + ... + 1973184.

It is an arithmetic number, because the mean of its divisors is an integer number (4172371560).

Almost surely, 2^102331221144 is an apocalyptic number.

It is an amenable number.

102331221144 is an abundant number, since it is smaller than the sum of its proper divisors (164700558696).

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

102331221144 is a wasteful number, since it uses less digits than its factorization.

102331221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56120 (or 56116 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 102331221144 its reverse (441122133201), we get a palindrome (543453354345).

The spelling of 102331221144 in words is "one hundred two billion, three hundred thirty-one million, two hundred twenty-one thousand, one hundred forty-four".