91032122201 has 8 divisors (see below), whose sum is σ = 94022486784. Its totient is φ = 88045122960.

The previous prime is 91032122191. The next prime is 91032122281. The reversal of 91032122201 is 10222123019.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91032122201 - 2³⁴ = 73852253017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91032122281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786290 + ... + 894603.

It is an arithmetic number, because the mean of its divisors is an integer number (11752810848).

Almost surely, 2^91032122201 is an apocalyptic number.

It is an amenable number.

91032122201 is a deficient number, since it is larger than the sum of its proper divisors (2990364583).

91032122201 is a wasteful number, since it uses less digits than its factorization.

91032122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682671.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 91032122201 in words is "ninety-one billion, thirty-two million, one hundred twenty-two thousand, two hundred one".