9022212211021 has 4 divisors (see below), whose sum is σ = 9023014981600. Its totient is φ = 9021409440444.

The previous prime is 9022212210989. The next prime is 9022212211063. The reversal of 9022212211021 is 1201122122209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9022212211021 - 2⁵ = 9022212210989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9022212211091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401368431 + ... + 401390908.

It is an arithmetic number, because the mean of its divisors is an integer number (2255753745400).

Almost surely, 2^{9022212211021} is an apocalyptic number.

It is an amenable number.

9022212211021 is a deficient number, since it is larger than the sum of its proper divisors (802770579).

9022212211021 is a wasteful number, since it uses less digits than its factorization.

9022212211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802770578.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 9022212211021 in words is "nine trillion, twenty-two billion, two hundred twelve million, two hundred eleven thousand, twenty-one".