111020200013 has 4 divisors (see below), whose sum is σ = 111032769120. Its totient is φ = 111007630908.

The previous prime is 111020199959. The next prime is 111020200061. The reversal of 111020200013 is 310002020111.

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 111020200013 - 2⁸ = 111020199757 is a prime.

It is a super-3 number, since 3×111020200013³ (a number of 34 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 = 111020199967 and 111020200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020200073) 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, 6271295 + ... + 6288972.

It is an arithmetic number, because the mean of its divisors is an integer number (27758192280).

Almost surely, 2^111020200013 is an apocalyptic number.

It is an amenable number.

111020200013 is a deficient number, since it is larger than the sum of its proper divisors (12569107).

111020200013 is an equidigital number, since it uses as much as digits as its factorization.

111020200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569106.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111020200013 its reverse (310002020111), we get a palindrome (421022220124).

The spelling of 111020200013 in words is "one hundred eleven billion, twenty million, two hundred thousand, thirteen".