22210220112021 has 24 divisors (see below), whose sum is σ = 33116721191424. Its totient is φ = 14328998016480.

The previous prime is 22210220112011. The next prime is 22210220112053. The reversal of 22210220112021 is 12021102201222.

It is a happy number.

22210220112021 is a `hidden beast` number, since 22 + 210 + 220 + 11 + 202 + 1 = 666.

It is not a de Polignac number, because 22210220112021 - 2¹⁹ = 22210219587733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210220111985 and 22210220112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210220112011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24519240 + ... + 25408926.

It is an arithmetic number, because the mean of its divisors is an integer number (1379863382976).

Almost surely, 2^{22210220112021} is an apocalyptic number.

It is an amenable number.

22210220112021 is a deficient number, since it is larger than the sum of its proper divisors (10906501079403).

22210220112021 is a wasteful number, since it uses less digits than its factorization.

22210220112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979201 (or 979198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22210220112021 its reverse (12021102201222), we get a palindrome (34231322313243).

The spelling of 22210220112021 in words is "twenty-two trillion, two hundred ten billion, two hundred twenty million, one hundred twelve thousand, twenty-one".