102131222244 has 12 divisors (see below), whose sum is σ = 238306185264. Its totient is φ = 34043740744.

The previous prime is 102131222233. The next prime is 102131222251. The reversal of 102131222244 is 442222131201.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4255467582 + ... + 4255467605.

It is an arithmetic number, because the mean of its divisors is an integer number (19858848772).

Almost surely, 2^102131222244 is an apocalyptic number.

It is an amenable number.

102131222244 is an abundant number, since it is smaller than the sum of its proper divisors (136174963020).

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

102131222244 is a wasteful number, since it uses less digits than its factorization.

102131222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510935194 (or 8510935192 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102131222244 its reverse (442222131201), we get a palindrome (544353353445).

The spelling of 102131222244 in words is "one hundred two billion, one hundred thirty-one million, two hundred twenty-two thousand, two hundred forty-four".