9210120201 has 16 divisors (see below), whose sum is σ = 13651110720. Its totient is φ = 6137160480.

The previous prime is 9210120187. The next prime is 9210120223. The reversal of 9210120201 is 1020210129.

It is not a de Polignac number, because 9210120201 - 2⁵ = 9210120169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9210120001) 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, 22500 + ... + 137573.

It is an arithmetic number, because the mean of its divisors is an integer number (853194420).

Almost surely, 2^9210120201 is an apocalyptic number.

It is an amenable number.

9210120201 is a deficient number, since it is larger than the sum of its proper divisors (4440990519).

9210120201 is a wasteful number, since it uses less digits than its factorization.

9210120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162213 (or 162207 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 9210120201 is about 95969.3711608032. The cubic root of 9210120201 is about 2096.1471457242.

The spelling of 9210120201 in words is "nine billion, two hundred ten million, one hundred twenty thousand, two hundred one".