111100113213013 has 2 divisors, whose sum is σ = 111100113213014. Its totient is φ = 111100113213012.

The previous prime is 111100113212993. The next prime is 111100113213049. The reversal of 111100113213013 is 310312311001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93488342709969 + 17611770503044 = 9668937^2 + 4196638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100113213013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100113213083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550056606506 + 55550056606507.

It is an arithmetic number, because the mean of its divisors is an integer number (55550056606507).

Almost surely, 2^{111100113213013} is an apocalyptic number.

It is an amenable number.

111100113213013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100113213013 is an equidigital number, since it uses as much as digits as its factorization.

111100113213013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 111100113213013 its reverse (310312311001111), we get a palindrome (421412424214124).

The spelling of 111100113213013 in words is "one hundred eleven trillion, one hundred billion, one hundred thirteen million, two hundred thirteen thousand, thirteen".