22020200221091 has 2 divisors, whose sum is σ = 22020200221092. Its totient is φ = 22020200221090.

The previous prime is 22020200221051. The next prime is 22020200221139. The reversal of 22020200221091 is 19012200202022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22020200221091 - 2⁶ = 22020200221027 is a prime.

It is a super-2 number, since 2×22020200221091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22020200221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010100110545 + 11010100110546.

It is an arithmetic number, because the mean of its divisors is an integer number (11010100110546).

Almost surely, 2^{22020200221091} is an apocalyptic number.

22020200221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020200221091 is an equidigital number, since it uses as much as digits as its factorization.

22020200221091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 22020200221091 in words is "twenty-two trillion, twenty billion, two hundred million, two hundred twenty-one thousand, ninety-one".