120010100121101 has 2 divisors, whose sum is σ = 120010100121102. Its totient is φ = 120010100121100.

The previous prime is 120010100121071. The next prime is 120010100121157. The reversal of 120010100121101 is 101121001010021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98898152010025 + 21111948111076 = 9944755^2 + 4594774^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010100121101 - 2²² = 120010095926797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120010100121701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005050060550 + 60005050060551.

It is an arithmetic number, because the mean of its divisors is an integer number (60005050060551).

Almost surely, 2^{120010100121101} is an apocalyptic number.

It is an amenable number.

120010100121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120010100121101 is an equidigital number, since it uses as much as digits as its factorization.

120010100121101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120010100121101 its reverse (101121001010021), we get a palindrome (221131101131122).

The spelling of 120010100121101 in words is "one hundred twenty trillion, ten billion, one hundred million, one hundred twenty-one thousand, one hundred one".