192111297971 has 2 divisors, whose sum is σ = 192111297972. Its totient is φ = 192111297970.

The previous prime is 192111297953. The next prime is 192111297977. The reversal of 192111297971 is 179792111291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 192111297971 - 2²⁶ = 192044189107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (192111297977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96055648985 + 96055648986.

It is an arithmetic number, because the mean of its divisors is an integer number (96055648986).

Almost surely, 2^192111297971 is an apocalyptic number.

192111297971 is a deficient number, since it is larger than the sum of its proper divisors (1).

192111297971 is an equidigital number, since it uses as much as digits as its factorization.

192111297971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142884, while the sum is 50.

The spelling of 192111297971 in words is "one hundred ninety-two billion, one hundred eleven million, two hundred ninety-seven thousand, nine hundred seventy-one".