120102122109961 has 2 divisors, whose sum is σ = 120102122109962. Its totient is φ = 120102122109960.

The previous prime is 120102122109947. The next prime is 120102122110031. The reversal of 120102122109961 is 169901221201021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113693832378361 + 6408289731600 = 10662731^2 + 2531460^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102122109961 - 2¹⁵ = 120102122077193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120102122109961.

It is not a weakly prime, because it can be changed into another prime (120102122109911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051061054980 + 60051061054981.

It is an arithmetic number, because the mean of its divisors is an integer number (60051061054981).

Almost surely, 2^{120102122109961} is an apocalyptic number.

It is an amenable number.

120102122109961 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102122109961 is an equidigital number, since it uses as much as digits as its factorization.

120102122109961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 120102122109961 in words is "one hundred twenty trillion, one hundred two billion, one hundred twenty-two million, one hundred nine thousand, nine hundred sixty-one".