111102012109993 has 2 divisors, whose sum is σ = 111102012109994. Its totient is φ = 111102012109992.

The previous prime is 111102012109967. The next prime is 111102012110041. The reversal of 111102012109993 is 399901210201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110997455594089 + 104556515904 = 10535533^2 + 323352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111102012109993 is a prime.

It is not a weakly prime, because it can be changed into another prime (111102012109093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551006054996 + 55551006054997.

It is an arithmetic number, because the mean of its divisors is an integer number (55551006054997).

Almost surely, 2^{111102012109993} is an apocalyptic number.

It is an amenable number.

111102012109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102012109993 is an equidigital number, since it uses as much as digits as its factorization.

111102012109993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 40.

The spelling of 111102012109993 in words is "one hundred eleven trillion, one hundred two billion, twelve million, one hundred nine thousand, nine hundred ninety-three".