9101022172 has 12 divisors (see below), whose sum is σ = 17374678776. Its totient is φ = 4136828240.

The previous prime is 9101022169. The next prime is 9101022193. The reversal of 9101022172 is 2712201019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103420663 + ... + 103420750.

It is an arithmetic number, because the mean of its divisors is an integer number (1447889898).

Almost surely, 2^9101022172 is an apocalyptic number.

It is an amenable number.

9101022172 is a deficient number, since it is larger than the sum of its proper divisors (8273656604).

9101022172 is a wasteful number, since it uses less digits than its factorization.

9101022172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206841428 (or 206841426 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 9101022172 is about 95399.2776282923. The cubic root of 9101022172 is about 2087.8376460401.

The spelling of 9101022172 in words is "nine billion, one hundred one million, twenty-two thousand, one hundred seventy-two".