2022220000021 has 16 divisors (see below), whose sum is σ = 2187975210624. Its totient is φ = 1857941244864.

The previous prime is 2022220000007. The next prime is 2022220000027. The reversal of 2022220000021 is 1200000222202.

It is a cyclic number.

It is not a de Polignac number, because 2022220000021 - 2³³ = 2013630065429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022219999956 and 2022220000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022220000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110216 + ... + 2915038.

It is an arithmetic number, because the mean of its divisors is an integer number (136748450664).

Almost surely, 2^{2022220000021} is an apocalyptic number.

It is an amenable number.

2022220000021 is a deficient number, since it is larger than the sum of its proper divisors (165755210603).

2022220000021 is a wasteful number, since it uses less digits than its factorization.

2022220000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805740.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2022220000021 its reverse (1200000222202), we get a palindrome (3222220222223).

The spelling of 2022220000021 in words is "two trillion, twenty-two billion, two hundred twenty million, twenty-one", and thus it is an aban number.