91022112001201 has 8 divisors (see below), whose sum is σ = 94987658882880. Its totient is φ = 87057237098832.

The previous prime is 91022112001147. The next prime is 91022112001273. The reversal of 91022112001201 is 10210021122019.

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 91022112001201 - 2²³ = 91022103612593 is a prime.

It is a super-2 number, since 2×91022112001201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91022112002201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167718010 + ... + 168259843.

It is an arithmetic number, because the mean of its divisors is an integer number (11873457360360).

Almost surely, 2^{91022112001201} is an apocalyptic number.

It is an amenable number.

91022112001201 is a deficient number, since it is larger than the sum of its proper divisors (3965546881679).

91022112001201 is a wasteful number, since it uses less digits than its factorization.

91022112001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335989655.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 91022112001201 in words is "ninety-one trillion, twenty-two billion, one hundred twelve million, one thousand, two hundred one".