120120010020181 has 2 divisors, whose sum is σ = 120120010020182. Its totient is φ = 120120010020180.

The previous prime is 120120010020167. The next prime is 120120010020233. The reversal of 120120010020181 is 181020010021021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118278479599281 + 1841530420900 = 10875591^2 + 1357030^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120010020181 - 2⁴³ = 111323916997973 is a prime.

It is a super-2 number, since 2×120120010020181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120120010021181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060005010090 + 60060005010091.

It is an arithmetic number, because the mean of its divisors is an integer number (60060005010091).

Almost surely, 2^{120120010020181} is an apocalyptic number.

It is an amenable number.

120120010020181 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120010020181 is an equidigital number, since it uses as much as digits as its factorization.

120120010020181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

The spelling of 120120010020181 in words is "one hundred twenty trillion, one hundred twenty billion, ten million, twenty thousand, one hundred eighty-one".