111000120219913 has 2 divisors, whose sum is σ = 111000120219914. Its totient is φ = 111000120219912.

The previous prime is 111000120219851. The next prime is 111000120220061. The reversal of 111000120219913 is 319912021000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74290057012224 + 36710063207689 = 8619168^2 + 6058883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000120219913 is a prime.

It is not a weakly prime, because it can be changed into another prime (111000120289913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500060109956 + 55500060109957.

It is an arithmetic number, because the mean of its divisors is an integer number (55500060109957).

Almost surely, 2^{111000120219913} is an apocalyptic number.

It is an amenable number.

111000120219913 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000120219913 is an equidigital number, since it uses as much as digits as its factorization.

111000120219913 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 111000120219913 in words is "one hundred eleven trillion, one hundred twenty million, two hundred nineteen thousand, nine hundred thirteen".