122002002251 has 2 divisors, whose sum is σ = 122002002252. Its totient is φ = 122002002250.

The previous prime is 122002002223. The next prime is 122002002289. The reversal of 122002002251 is 152200200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122002002251 - 2²⁶ = 121934893387 is a prime.

It is not a weakly prime, because it can be changed into another prime (122002004251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001001125 + 61001001126.

It is an arithmetic number, because the mean of its divisors is an integer number (61001001126).

Almost surely, 2^122002002251 is an apocalyptic number.

122002002251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002002251 is an equidigital number, since it uses as much as digits as its factorization.

122002002251 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 17.

Adding to 122002002251 its reverse (152200200221), we get a palindrome (274202202472).

The spelling of 122002002251 in words is "one hundred twenty-two billion, two million, two thousand, two hundred fifty-one".