91100102 has 16 divisors (see below), whose sum is σ = 142795872. Its totient is φ = 43507200.

The previous prime is 91100099. The next prime is 91100111. The reversal of 91100102 is 20100119.

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, 56102 + ... + 57702.

It is an arithmetic number, because the mean of its divisors is an integer number (8924742).

Almost surely, 2^91100102 is an apocalyptic number.

91100102 is a deficient number, since it is larger than the sum of its proper divisors (51695770).

91100102 is a wasteful number, since it uses less digits than its factorization.

91100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 91100102 is about 9544.6373425081. The cubic root of 91100102 is about 449.9590119046.

The spelling of 91100102 in words is "ninety-one million, one hundred thousand, one hundred two".