10102112500 has 36 divisors (see below), whose sum is σ = 22096984140. Its totient is φ = 4040840000.

The previous prime is 10102112491. The next prime is 10102112539. The reversal of 10102112500 is 521120101.

It can be written as a sum of positive squares in 6 ways, for example, as 9485980816 + 616131684 = 97396^2 + 24822^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391585 + ... + 416584.

It is an arithmetic number, because the mean of its divisors is an integer number (613805115).

Almost surely, 2^10102112500 is an apocalyptic number.

10102112500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102112500 is an abundant number, since it is smaller than the sum of its proper divisors (11994871640).

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

10102112500 is an frugal number, since it uses more digits than its factorization.

10102112500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808198 (or 808176 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 10102112500 its reverse (521120101), we get a palindrome (10623232601).

The spelling of 10102112500 in words is "ten billion, one hundred two million, one hundred twelve thousand, five hundred".