22202110991 has 2 divisors, whose sum is σ = 22202110992. Its totient is φ = 22202110990.

The previous prime is 22202110967. The next prime is 22202111033. The reversal of 22202110991 is 19901120222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202110991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202110901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101055495 + 11101055496.

It is an arithmetic number, because the mean of its divisors is an integer number (11101055496).

Almost surely, 2^22202110991 is an apocalyptic number.

22202110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202110991 is an equidigital number, since it uses as much as digits as its factorization.

22202110991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 22202110991 in words is "twenty-two billion, two hundred two million, one hundred ten thousand, nine hundred ninety-one".