102216551115 has 32 divisors (see below), whose sum is σ = 187954490880. Its totient is φ = 46466509824.

The previous prime is 102216551113. The next prime is 102216551119. The reversal of 102216551115 is 511155612201.

It is not a de Polignac number, because 102216551115 - 2¹ = 102216551113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102216551113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2700454 + ... + 2738043.

It is an arithmetic number, because the mean of its divisors is an integer number (5873577840).

Almost surely, 2^102216551115 is an apocalyptic number.

102216551115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102216551115 is a deficient number, since it is larger than the sum of its proper divisors (85737939765).

102216551115 is a wasteful number, since it uses less digits than its factorization.

102216551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438691.

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 102216551115 in words is "one hundred two billion, two hundred sixteen million, five hundred fifty-one thousand, one hundred fifteen".