11231231110103 has 4 divisors (see below), whose sum is σ = 11265162322248. Its totient is φ = 11197299897960.

The previous prime is 11231231110097. The next prime is 11231231110109. The reversal of 11231231110103 is 30101113213211.

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

It is an interprime number because it is at equal distance from previous prime (11231231110097) and next prime (11231231110109).

It is a cyclic number.

It is not a de Polignac number, because 11231231110103 - 2⁶ = 11231231110039 is a prime.

It is a super-2 number, since 2×11231231110103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231231110109) 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, 16965605576 + ... + 16965606237.

It is an arithmetic number, because the mean of its divisors is an integer number (2816290580562).

Almost surely, 2^{11231231110103} is an apocalyptic number.

11231231110103 is a deficient number, since it is larger than the sum of its proper divisors (33931212145).

11231231110103 is an equidigital number, since it uses as much as digits as its factorization.

11231231110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33931212144.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11231231110103 its reverse (30101113213211), we get a palindrome (41332344323314).

The spelling of 11231231110103 in words is "eleven trillion, two hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, one hundred three".