22212210101021 has 2 divisors, whose sum is σ = 22212210101022. Its totient is φ = 22212210101020.

The previous prime is 22212210100979. The next prime is 22212210101033. The reversal of 22212210101021 is 12010101221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22168230139225 + 43979961796 = 4708315^2 + 209714^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212210101021 - 2¹⁴ = 22212210084637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212210101321) 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 as a sum of consecutive naturals, namely, 11106105050510 + 11106105050511.

It is an arithmetic number, because the mean of its divisors is an integer number (11106105050511).

Almost surely, 2^{22212210101021} is an apocalyptic number.

It is an amenable number.

22212210101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212210101021 is an equidigital number, since it uses as much as digits as its factorization.

22212210101021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22212210101021 its reverse (12010101221222), we get a palindrome (34222311322243).

The spelling of 22212210101021 in words is "twenty-two trillion, two hundred twelve billion, two hundred ten million, one hundred one thousand, twenty-one".