90120011201 has 24 divisors (see below), whose sum is σ = 99645940800. Its totient is φ = 81442037600.

The previous prime is 90120011183. The next prime is 90120011207. The reversal of 90120011201 is 10211002109.

It is a de Polignac number, because none of the positive numbers 2^k-90120011201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90120011201.

It is not an unprimeable number, because it can be changed into a prime (90120011207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15978740 + ... + 15984378.

It is an arithmetic number, because the mean of its divisors is an integer number (4151914200).

Almost surely, 2^90120011201 is an apocalyptic number.

It is an amenable number.

90120011201 is a deficient number, since it is larger than the sum of its proper divisors (9525929599).

90120011201 is a wasteful number, since it uses less digits than its factorization.

90120011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6410 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 90120011201 in words is "ninety billion, one hundred twenty million, eleven thousand, two hundred one".