115102220 has 24 divisors (see below), whose sum is σ = 246277584. Its totient is φ = 45171776.

The previous prime is 115102219. The next prime is 115102241. The reversal of 115102220 is 22201511.

It is a junction number, because it is equal to n+sod(n) for n = 115102195 and 115102204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53234 + ... + 55353.

It is an arithmetic number, because the mean of its divisors is an integer number (10261566).

Almost surely, 2^115102220 is an apocalyptic number.

115102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115102220 is an abundant number, since it is smaller than the sum of its proper divisors (131175364).

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

115102220 is a wasteful number, since it uses less digits than its factorization.

115102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108649 (or 108647 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 115102220 is about 10728.5702682137. The cubic root of 115102220 is about 486.4384545410.

Adding to 115102220 its reverse (22201511), we get a palindrome (137303731).

The spelling of 115102220 in words is "one hundred fifteen million, one hundred two thousand, two hundred twenty".