22122123091 has 2 divisors, whose sum is σ = 22122123092. Its totient is φ = 22122123090.

The previous prime is 22122123083. The next prime is 22122123193. The reversal of 22122123091 is 19032122122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22122123091 - 2³ = 22122123083 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122123031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061061545 + 11061061546.

It is an arithmetic number, because the mean of its divisors is an integer number (11061061546).

Almost surely, 2^22122123091 is an apocalyptic number.

22122123091 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122123091 is an equidigital number, since it uses as much as digits as its factorization.

22122123091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 22122123091 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-three thousand, ninety-one".