201122110957979 has 2 divisors, whose sum is σ = 201122110957980. Its totient is φ = 201122110957978.

The previous prime is 201122110957969. The next prime is 201122110957991. The reversal of 201122110957979 is 979759011221102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201122110957979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201122110957919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561055478989 + 100561055478990.

It is an arithmetic number, because the mean of its divisors is an integer number (100561055478990).

Almost surely, 2^{201122110957979} is an apocalyptic number.

201122110957979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201122110957979 is an equidigital number, since it uses as much as digits as its factorization.

201122110957979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 56.

The spelling of 201122110957979 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred ten million, nine hundred fifty-seven thousand, nine hundred seventy-nine".