22112021069 has 2 divisors, whose sum is σ = 22112021070. Its totient is φ = 22112021068.

The previous prime is 22112021053. The next prime is 22112021081. The reversal of 22112021069 is 96012021122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19061115844 + 3050905225 = 138062^2 + 55235^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112021069 - 2⁴ = 22112021053 is a prime.

It is a super-2 number, since 2×22112021069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112521069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056010534 + 11056010535.

It is an arithmetic number, because the mean of its divisors is an integer number (11056010535).

Almost surely, 2^22112021069 is an apocalyptic number.

It is an amenable number.

22112021069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112021069 is an equidigital number, since it uses as much as digits as its factorization.

22112021069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 22112021069 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, sixty-nine".