22112010091 has 2 divisors, whose sum is σ = 22112010092. Its totient is φ = 22112010090.

The previous prime is 22112010077. The next prime is 22112010101. The reversal of 22112010091 is 19001021122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22112010091 - 2⁵ = 22112010059 is a prime.

It is not a weakly prime, because it can be changed into another prime (22112010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056005045 + 11056005046.

It is an arithmetic number, because the mean of its divisors is an integer number (11056005046).

Almost surely, 2^22112010091 is an apocalyptic number.

22112010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112010091 is an equidigital number, since it uses as much as digits as its factorization.

22112010091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 22112010091 in words is "twenty-two billion, one hundred twelve million, ten thousand, ninety-one".