11110221112013 has 4 divisors (see below), whose sum is σ = 11298529944480. Its totient is φ = 10921912279548.

The previous prime is 11110221111991. The next prime is 11110221112037. The reversal of 11110221112013 is 31021112201111.

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 11110221112013 - 2¹² = 11110221107917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110221111982 and 11110221112000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110221112093) 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, 94154416145 + ... + 94154416262.

It is an arithmetic number, because the mean of its divisors is an integer number (2824632486120).

Almost surely, 2^{11110221112013} is an apocalyptic number.

It is an amenable number.

11110221112013 is a deficient number, since it is larger than the sum of its proper divisors (188308832467).

11110221112013 is an equidigital number, since it uses as much as digits as its factorization.

11110221112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188308832466.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11110221112013 its reverse (31021112201111), we get a palindrome (42131333313124).

The spelling of 11110221112013 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred twelve thousand, thirteen".