1121322131971 has 2 divisors, whose sum is σ = 1121322131972. Its totient is φ = 1121322131970.

The previous prime is 1121322131957. The next prime is 1121322131983. The reversal of 1121322131971 is 1791312231211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121322131971 - 2³⁹ = 571566318083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121322131911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560661065985 + 560661065986.

It is an arithmetic number, because the mean of its divisors is an integer number (560661065986).

Almost surely, 2^{1121322131971} is an apocalyptic number.

1121322131971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121322131971 is an equidigital number, since it uses as much as digits as its factorization.

1121322131971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 34.

The spelling of 1121322131971 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-two million, one hundred thirty-one thousand, nine hundred seventy-one".