100115052200 has 48 divisors (see below), whose sum is σ = 232829277660. Its totient is φ = 40035392000.

The previous prime is 100115052173. The next prime is 100115052209. The reversal of 100115052200 is 2250511001.

It can be written as a sum of positive squares in 6 ways, for example, as 77391901636 + 22723150564 = 278194^2 + 150742^2 .

It is not an unprimeable number, because it can be changed into a prime (100115052209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711710 + ... + 840690.

Almost surely, 2^100115052200 is an apocalyptic number.

100115052200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100115052200 is an abundant number, since it is smaller than the sum of its proper divisors (132714225460).

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

100115052200 is a wasteful number, since it uses less digits than its factorization.

100115052200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132878 (or 132869 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 100115052200 its reverse (2250511001), we get a palindrome (102365563201).

The spelling of 100115052200 in words is "one hundred billion, one hundred fifteen million, fifty-two thousand, two hundred".