120022011111181 has 2 divisors, whose sum is σ = 120022011111182. Its totient is φ = 120022011111180.

The previous prime is 120022011111113. The next prime is 120022011111263. The reversal of 120022011111181 is 181111110220021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94499610230281 + 25522400880900 = 9721091^2 + 5051970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120022011111181 is a prime.

It is a super-2 number, since 2×120022011111181² (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 (120022011111481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011005555590 + 60011005555591.

It is an arithmetic number, because the mean of its divisors is an integer number (60011005555591).

Almost surely, 2^{120022011111181} is an apocalyptic number.

It is an amenable number.

120022011111181 is a deficient number, since it is larger than the sum of its proper divisors (1).

120022011111181 is an equidigital number, since it uses as much as digits as its factorization.

120022011111181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 22.

The spelling of 120022011111181 in words is "one hundred twenty trillion, twenty-two billion, eleven million, one hundred eleven thousand, one hundred eighty-one".