111001111011013 has 4 divisors (see below), whose sum is σ = 112145452361740. Its totient is φ = 109856769660288.

The previous prime is 111001111011001. The next prime is 111001111011031. The reversal of 111001111011013 is 310110111100111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27746745880324 + 83254365130689 = 5267518^2 + 9124383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111001111011013 is a prime.

It is a super-3 number, since 3×111001111011013³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001111010984 and 111001111011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001111011613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572170675218 + ... + 572170675411.

It is an arithmetic number, because the mean of its divisors is an integer number (28036363090435).

Almost surely, 2^{111001111011013} is an apocalyptic number.

It is an amenable number.

111001111011013 is a deficient number, since it is larger than the sum of its proper divisors (1144341350727).

111001111011013 is an equidigital number, since it uses as much as digits as its factorization.

111001111011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144341350726.

The product of its (nonzero) digits is 3, while the sum is 13.

Adding to 111001111011013 its reverse (310110111100111), we get a palindrome (421111222111124).

The spelling of 111001111011013 in words is "one hundred eleven trillion, one billion, one hundred eleven million, eleven thousand, thirteen".