2117911102 has 16 divisors (see below), whose sum is σ = 3372544512. Its totient is φ = 994055680.

The previous prime is 2117911097. The next prime is 2117911123. The reversal of 2117911102 is 2011197112.

It is a congruent number.

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, 68299 + ... + 94342.

It is an arithmetic number, because the mean of its divisors is an integer number (210784032).

Almost surely, 2^2117911102 is an apocalyptic number.

2117911102 is a deficient number, since it is larger than the sum of its proper divisors (1254633410).

2117911102 is a wasteful number, since it uses less digits than its factorization.

2117911102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163043.

The product of its (nonzero) digits is 252, while the sum is 25.

The square root of 2117911102 is about 46020.7681596038. The cubic root of 2117911102 is about 1284.2095906765.

The spelling of 2117911102 in words is "two billion, one hundred seventeen million, nine hundred eleven thousand, one hundred two".