120011110181 has 2 divisors, whose sum is σ = 120011110182. Its totient is φ = 120011110180.

The previous prime is 120011110151. The next prime is 120011110223. The reversal of 120011110181 is 181011110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91630317025 + 28380793156 = 302705^2 + 168466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120011110181 is a prime.

It is a super-2 number, since 2×120011110181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011110151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005555090 + 60005555091.

It is an arithmetic number, because the mean of its divisors is an integer number (60005555091).

Almost surely, 2^120011110181 is an apocalyptic number.

It is an amenable number.

120011110181 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011110181 is an equidigital number, since it uses as much as digits as its factorization.

120011110181 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 17.

The spelling of 120011110181 in words is "one hundred twenty billion, eleven million, one hundred ten thousand, one hundred eighty-one".