111220103113 has 16 divisors (see below), whose sum is σ = 129162276864. Its totient is φ = 93794778000.

The previous prime is 111220103089. The next prime is 111220103173. The reversal of 111220103113 is 311301022111.

It is a happy number.

It is not a de Polignac number, because 111220103113 - 2³³ = 102630168521 is a prime.

It is a super-2 number, since 2×111220103113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111220103173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244488 + ... + 531238.

It is an arithmetic number, because the mean of its divisors is an integer number (8072642304).

Almost surely, 2^111220103113 is an apocalyptic number.

It is an amenable number.

111220103113 is a deficient number, since it is larger than the sum of its proper divisors (17942173751).

111220103113 is an equidigital number, since it uses as much as digits as its factorization.

111220103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287652.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111220103113 its reverse (311301022111), we get a palindrome (422521125224).

The spelling of 111220103113 in words is "one hundred eleven billion, two hundred twenty million, one hundred three thousand, one hundred thirteen".