120010101010081 has 2 divisors, whose sum is σ = 120010101010082. Its totient is φ = 120010101010080.

The previous prime is 120010101010073. The next prime is 120010101010171. The reversal of 120010101010081 is 180010101010021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118546714823056 + 1463386187025 = 10887916^2 + 1209705^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010101010081 - 2³ = 120010101010073 is a prime.

It is a super-2 number, since 2×120010101010081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120010101010781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005050505040 + 60005050505041.

It is an arithmetic number, because the mean of its divisors is an integer number (60005050505041).

Almost surely, 2^{120010101010081} is an apocalyptic number.

It is an amenable number.

120010101010081 is a deficient number, since it is larger than the sum of its proper divisors (1).

120010101010081 is an equidigital number, since it uses as much as digits as its factorization.

120010101010081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 16.

The spelling of 120010101010081 in words is "one hundred twenty trillion, ten billion, one hundred one million, ten thousand, eighty-one".