122113100120251 has 2 divisors, whose sum is σ = 122113100120252. Its totient is φ = 122113100120250.

The previous prime is 122113100120213. The next prime is 122113100120257. The reversal of 122113100120251 is 152021001311221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122113100120251 - 2⁹ = 122113100119739 is a prime.

It is not a weakly prime, because it can be changed into another prime (122113100120257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056550060125 + 61056550060126.

It is an arithmetic number, because the mean of its divisors is an integer number (61056550060126).

Almost surely, 2^{122113100120251} is an apocalyptic number.

122113100120251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122113100120251 is an equidigital number, since it uses as much as digits as its factorization.

122113100120251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 122113100120251 its reverse (152021001311221), we get a palindrome (274134101431472).

The spelling of 122113100120251 in words is "one hundred twenty-two trillion, one hundred thirteen billion, one hundred million, one hundred twenty thousand, two hundred fifty-one".