9031122021 has 8 divisors (see below), whose sum is σ = 12087282240. Its totient is φ = 5997854912.

The previous prime is 9031122013. The next prime is 9031122083. The reversal of 9031122021 is 1202211309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9031122021 - 2³ = 9031122013 is a prime.

It is a super-2 number, since 2×9031122021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9031123021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722356 + ... + 5723933.

It is an arithmetic number, because the mean of its divisors is an integer number (1510910280).

Almost surely, 2^9031122021 is an apocalyptic number.

It is an amenable number.

9031122021 is a deficient number, since it is larger than the sum of its proper divisors (3056160219).

9031122021 is a wasteful number, since it uses less digits than its factorization.

9031122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446555.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 9031122021 is about 95032.2157007822. The cubic root of 9031122021 is about 2082.4787095664.

The spelling of 9031122021 in words is "nine billion, thirty-one million, one hundred twenty-two thousand, twenty-one".