120310021110991 has 2 divisors, whose sum is σ = 120310021110992. Its totient is φ = 120310021110990.

The previous prime is 120310021110911. The next prime is 120310021111003. The reversal of 120310021110991 is 199011120013021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120310021110991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120310021110901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155010555495 + 60155010555496.

It is an arithmetic number, because the mean of its divisors is an integer number (60155010555496).

Almost surely, 2^{120310021110991} is an apocalyptic number.

120310021110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

120310021110991 is an equidigital number, since it uses as much as digits as its factorization.

120310021110991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 120310021110991 in words is "one hundred twenty trillion, three hundred ten billion, twenty-one million, one hundred ten thousand, nine hundred ninety-one".