111220241200013 has 4 divisors (see below), whose sum is σ = 121331172218208. Its totient is φ = 101109310181820.

The previous prime is 111220241199973. The next prime is 111220241200069. The reversal of 111220241200013 is 310002142022111.

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 111220241200013 - 2¹⁴ = 111220241183629 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 (111220241260013) 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, 5055465509081 + ... + 5055465509102.

It is an arithmetic number, because the mean of its divisors is an integer number (30332793054552).

Almost surely, 2^{111220241200013} is an apocalyptic number.

It is an amenable number.

111220241200013 is a deficient number, since it is larger than the sum of its proper divisors (10110931018195).

111220241200013 is a wasteful number, since it uses less digits than its factorization.

111220241200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110931018194.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111220241200013 its reverse (310002142022111), we get a palindrome (421222383222124).

The spelling of 111220241200013 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred forty-one million, two hundred thousand, thirteen".