22021102097 has 2 divisors, whose sum is σ = 22021102098. Its totient is φ = 22021102096.

The previous prime is 22021102073. The next prime is 22021102127. The reversal of 22021102097 is 79020112022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17293302016 + 4727800081 = 131504^2 + 68759^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021102097 - 2⁸ = 22021101841 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021102067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010551048 + 11010551049.

It is an arithmetic number, because the mean of its divisors is an integer number (11010551049).

Almost surely, 2^22021102097 is an apocalyptic number.

It is an amenable number.

22021102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021102097 is an equidigital number, since it uses as much as digits as its factorization.

22021102097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 22021102097 in words is "twenty-two billion, twenty-one million, one hundred two thousand, ninety-seven".