120122119991 has 2 divisors, whose sum is σ = 120122119992. Its totient is φ = 120122119990.

The previous prime is 120122119973. The next prime is 120122120023. The reversal of 120122119991 is 199911221021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120122119991 - 2³⁰ = 119048378167 is a prime.

It is a super-2 number, since 2×120122119991² (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 (120122119291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061059995 + 60061059996.

It is an arithmetic number, because the mean of its divisors is an integer number (60061059996).

Almost surely, 2^120122119991 is an apocalyptic number.

120122119991 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122119991 is an equidigital number, since it uses as much as digits as its factorization.

120122119991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 120122119991 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred nineteen thousand, nine hundred ninety-one".