111240220203113 has 4 divisors (see below), whose sum is σ = 117783762568020. Its totient is φ = 104696677838208.

The previous prime is 111240220203107. The next prime is 111240220203121. The reversal of 111240220203113 is 311302022042111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83430924206809 + 27809295996304 = 9134053^2 + 5273452^2 .

It is a cyclic number.

It is not a de Polignac number, because 111240220203113 - 2¹⁶ = 111240220137577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111240220203103) 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, 3271771182428 + ... + 3271771182461.

It is an arithmetic number, because the mean of its divisors is an integer number (29445940642005).

Almost surely, 2^{111240220203113} is an apocalyptic number.

It is an amenable number.

111240220203113 is a deficient number, since it is larger than the sum of its proper divisors (6543542364907).

111240220203113 is an equidigital number, since it uses as much as digits as its factorization.

111240220203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543542364906.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111240220203113 its reverse (311302022042111), we get a palindrome (422542242245224).

The spelling of 111240220203113 in words is "one hundred eleven trillion, two hundred forty billion, two hundred twenty million, two hundred three thousand, one hundred thirteen".