9001120101 has 32 divisors (see below), whose sum is σ = 12854878848. Its totient is φ = 5582438400.

The previous prime is 9001120087. The next prime is 9001120123. The reversal of 9001120101 is 1010211009.

It is not a de Polignac number, because 9001120101 - 2²⁵ = 8967565669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9001120151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4258821 + ... + 4260933.

It is an arithmetic number, because the mean of its divisors is an integer number (401714964).

Almost surely, 2^9001120101 is an apocalyptic number.

It is an amenable number.

9001120101 is a deficient number, since it is larger than the sum of its proper divisors (3853758747).

9001120101 is a wasteful number, since it uses less digits than its factorization.

9001120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 9001120101 is about 94874.2330719991. The cubic root of 9001120101 is about 2080.1701122119.

The spelling of 9001120101 in words is "nine billion, one million, one hundred twenty thousand, one hundred one".