120103230991 has 2 divisors, whose sum is σ = 120103230992. Its totient is φ = 120103230990.

The previous prime is 120103230937. The next prime is 120103231033. The reversal of 120103230991 is 199032301021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120103230991 - 2¹¹ = 120103228943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103230931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051615495 + 60051615496.

It is an arithmetic number, because the mean of its divisors is an integer number (60051615496).

Almost surely, 2^120103230991 is an apocalyptic number.

120103230991 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103230991 is an equidigital number, since it uses as much as digits as its factorization.

120103230991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 120103230991 in words is "one hundred twenty billion, one hundred three million, two hundred thirty thousand, nine hundred ninety-one".