122043137291 has 2 divisors, whose sum is σ = 122043137292. Its totient is φ = 122043137290.

The previous prime is 122043137273. The next prime is 122043137339. The reversal of 122043137291 is 192731340221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122043137291 - 2³⁰ = 120969395467 is a prime.

It is not a weakly prime, because it can be changed into another prime (122043137221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61021568645 + 61021568646.

It is an arithmetic number, because the mean of its divisors is an integer number (61021568646).

Almost surely, 2^122043137291 is an apocalyptic number.

122043137291 is a deficient number, since it is larger than the sum of its proper divisors (1).

122043137291 is an equidigital number, since it uses as much as digits as its factorization.

122043137291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 122043137291 in words is "one hundred twenty-two billion, forty-three million, one hundred thirty-seven thousand, two hundred ninety-one".