91120132211 has 4 divisors (see below), whose sum is σ = 91179187632. Its totient is φ = 91061076792.

The previous prime is 91120132157. The next prime is 91120132223. The reversal of 91120132211 is 11223102119.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11223102119 = 89 ⋅126102271.

It is a cyclic number.

It is not a de Polignac number, because 91120132211 - 2³⁴ = 73940263027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91120132261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29525396 + ... + 29528481.

It is an arithmetic number, because the mean of its divisors is an integer number (22794796908).

Almost surely, 2^91120132211 is an apocalyptic number.

91120132211 is a deficient number, since it is larger than the sum of its proper divisors (59055421).

91120132211 is a wasteful number, since it uses less digits than its factorization.

91120132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59055420.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 91120132211 in words is "ninety-one billion, one hundred twenty million, one hundred thirty-two thousand, two hundred eleven".