122133113251 has 2 divisors, whose sum is σ = 122133113252. Its totient is φ = 122133113250.

The previous prime is 122133113197. The next prime is 122133113279. The reversal of 122133113251 is 152311331221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122133113251 - 2²³ = 122124724643 is a prime.

It is not a weakly prime, because it can be changed into another prime (122133113351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61066556625 + 61066556626.

It is an arithmetic number, because the mean of its divisors is an integer number (61066556626).

Almost surely, 2^122133113251 is an apocalyptic number.

122133113251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122133113251 is an equidigital number, since it uses as much as digits as its factorization.

122133113251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

Adding to 122133113251 its reverse (152311331221), we get a palindrome (274444444472).

The spelling of 122133113251 in words is "one hundred twenty-two billion, one hundred thirty-three million, one hundred thirteen thousand, two hundred fifty-one".