22191026201 has 2 divisors, whose sum is σ = 22191026202. Its totient is φ = 22191026200.

The previous prime is 22191026147. The next prime is 22191026239. The reversal of 22191026201 is 10262019122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11810472976 + 10380553225 = 108676^2 + 101885^2 .

It is a cyclic number.

It is not a de Polignac number, because 22191026201 - 2²⁶ = 22123917337 is a prime.

It is not a weakly prime, because it can be changed into another prime (22191026101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11095513100 + 11095513101.

It is an arithmetic number, because the mean of its divisors is an integer number (11095513101).

Almost surely, 2^22191026201 is an apocalyptic number.

It is an amenable number.

22191026201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22191026201 is an equidigital number, since it uses as much as digits as its factorization.

22191026201 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 22191026201 in words is "twenty-two billion, one hundred ninety-one million, twenty-six thousand, two hundred one".