102230112520 has 16 divisors (see below), whose sum is σ = 230017753260. Its totient is φ = 40892044992.

The previous prime is 102230112487. The next prime is 102230112521. The reversal of 102230112520 is 25211032201.

It can be written as a sum of positive squares in 2 ways, for example, as 96684927364 + 5545185156 = 310942^2 + 74466^2 .

It is not an unprimeable number, because it can be changed into a prime (102230112521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277876367 + ... + 1277876446.

Almost surely, 2^102230112520 is an apocalyptic number.

102230112520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102230112520 is an abundant number, since it is smaller than the sum of its proper divisors (127787640740).

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

102230112520 is a wasteful number, since it uses less digits than its factorization.

102230112520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555752824 (or 2555752820 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 102230112520 its reverse (25211032201), we get a palindrome (127441144721).

The spelling of 102230112520 in words is "one hundred two billion, two hundred thirty million, one hundred twelve thousand, five hundred twenty".