111020340013 has 4 divisors (see below), whose sum is σ = 121113098208. Its totient is φ = 100927581820.

The previous prime is 111020339993. The next prime is 111020340017. The reversal of 111020340013 is 310043020111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111020340013 - 2⁵ = 111020339981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020340017) 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, 5046379081 + ... + 5046379102.

It is an arithmetic number, because the mean of its divisors is an integer number (30278274552).

Almost surely, 2^111020340013 is an apocalyptic number.

It is an amenable number.

111020340013 is a deficient number, since it is larger than the sum of its proper divisors (10092758195).

111020340013 is a wasteful number, since it uses less digits than its factorization.

111020340013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092758194.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111020340013 its reverse (310043020111), we get a palindrome (421063360124).

The spelling of 111020340013 in words is "one hundred eleven billion, twenty million, three hundred forty thousand, thirteen".