120331310111 has 2 divisors, whose sum is σ = 120331310112. Its totient is φ = 120331310110.

The previous prime is 120331310083. The next prime is 120331310119. The reversal of 120331310111 is 111013133021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120331310111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120331310111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120331310119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165655055 + 60165655056.

It is an arithmetic number, because the mean of its divisors is an integer number (60165655056).

Almost surely, 2^120331310111 is an apocalyptic number.

120331310111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120331310111 is an equidigital number, since it uses as much as digits as its factorization.

120331310111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 120331310111 its reverse (111013133021), we get a palindrome (231344443132).

The spelling of 120331310111 in words is "one hundred twenty billion, three hundred thirty-one million, three hundred ten thousand, one hundred eleven".