122102201251 has 2 divisors, whose sum is σ = 122102201252. Its totient is φ = 122102201250.

The previous prime is 122102201219. The next prime is 122102201267. The reversal of 122102201251 is 152102201221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122102201251 - 2⁵ = 122102201219 is a prime.

It is not a weakly prime, because it can be changed into another prime (122102201051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051100625 + 61051100626.

It is an arithmetic number, because the mean of its divisors is an integer number (61051100626).

Almost surely, 2^122102201251 is an apocalyptic number.

122102201251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102201251 is an equidigital number, since it uses as much as digits as its factorization.

122102201251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 122102201251 its reverse (152102201221), we get a palindrome (274204402472).

The spelling of 122102201251 in words is "one hundred twenty-two billion, one hundred two million, two hundred one thousand, two hundred fifty-one".