11110203113 has 4 divisors (see below), whose sum is σ = 11124143940. Its totient is φ = 11096262288.

The previous prime is 11110203031. The next prime is 11110203133. The reversal of 11110203113 is 31130201111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31130201111 = 571 ⋅54518741.

It can be written as a sum of positive squares in 2 ways, for example, as 8265900889 + 2844302224 = 90917^2 + 53332^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110203113 - 2¹⁸ = 11109940969 is a prime.

It is a super-2 number, since 2×11110203113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11110203133) 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, 6969218 + ... + 6970811.

It is an arithmetic number, because the mean of its divisors is an integer number (2781035985).

Almost surely, 2^11110203113 is an apocalyptic number.

It is an amenable number.

11110203113 is a deficient number, since it is larger than the sum of its proper divisors (13940827).

11110203113 is an equidigital number, since it uses as much as digits as its factorization.

11110203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940826.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11110203113 its reverse (31130201111), we get a palindrome (42240404224).

The spelling of 11110203113 in words is "eleven billion, one hundred ten million, two hundred three thousand, one hundred thirteen".