9911011201 has 16 divisors (see below), whose sum is σ = 12262053888. Its totient is φ = 7800609600.

The previous prime is 9911011199. The next prime is 9911011241. The reversal of 9911011201 is 1021101199.

It is not a de Polignac number, because 9911011201 - 2¹ = 9911011199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9911011241) 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, 267730 + ... + 302491.

It is an arithmetic number, because the mean of its divisors is an integer number (766378368).

Almost surely, 2^9911011201 is an apocalyptic number.

9911011201 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9911011201 is a deficient number, since it is larger than the sum of its proper divisors (2351042687).

9911011201 is a wasteful number, since it uses less digits than its factorization.

9911011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570432.

The product of its (nonzero) digits is 162, while the sum is 25.

The square root of 9911011201 is about 99554.0617001637. The cubic root of 9911011201 is about 2148.0249539210.

The spelling of 9911011201 in words is "nine billion, nine hundred eleven million, eleven thousand, two hundred one".