120002110122157 has 2 divisors, whose sum is σ = 120002110122158. Its totient is φ = 120002110122156.

The previous prime is 120002110122151. The next prime is 120002110122253. The reversal of 120002110122157 is 751221011200021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94055199618436 + 25946910503721 = 9698206^2 + 5093811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120002110122157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120002110122151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001055061078 + 60001055061079.

It is an arithmetic number, because the mean of its divisors is an integer number (60001055061079).

Almost surely, 2^{120002110122157} is an apocalyptic number.

It is an amenable number.

120002110122157 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002110122157 is an equidigital number, since it uses as much as digits as its factorization.

120002110122157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 120002110122157 its reverse (751221011200021), we get a palindrome (871223121322178).

The spelling of 120002110122157 in words is "one hundred twenty trillion, two billion, one hundred ten million, one hundred twenty-two thousand, one hundred fifty-seven".