91112103201 has 16 divisors (see below), whose sum is σ = 140268808064. Its totient is φ = 51527314944.

The previous prime is 91112103191. The next prime is 91112103217. The reversal of 91112103201 is 10230121119.

It is a happy number.

It is not a de Polignac number, because 91112103201 - 2¹⁷ = 91111972129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91112103221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22362250 + ... + 22366323.

It is an arithmetic number, because the mean of its divisors is an integer number (8766800504).

Almost surely, 2^91112103201 is an apocalyptic number.

It is an amenable number.

91112103201 is a deficient number, since it is larger than the sum of its proper divisors (49156704863).

91112103201 is a wasteful number, since it uses less digits than its factorization.

91112103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44728680.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 91112103201 in words is "ninety-one billion, one hundred twelve million, one hundred three thousand, two hundred one".