1103330111231 has 4 divisors (see below), whose sum is σ = 1109106708864. Its totient is φ = 1097553513600.

The previous prime is 1103330111173. The next prime is 1103330111309. The reversal of 1103330111231 is 1321110333011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103330111231 - 2³⁰ = 1102256369407 is a prime.

It is a super-2 number, since 2×1103330111231² (a number of 25 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 (1103330111831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888298530 + ... + 2888298911.

It is an arithmetic number, because the mean of its divisors is an integer number (277276677216).

Almost surely, 2^{1103330111231} is an apocalyptic number.

1103330111231 is a deficient number, since it is larger than the sum of its proper divisors (5776597633).

1103330111231 is an equidigital number, since it uses as much as digits as its factorization.

1103330111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776597632.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1103330111231 its reverse (1321110333011), we get a palindrome (2424440444242).

The spelling of 1103330111231 in words is "one trillion, one hundred three billion, three hundred thirty million, one hundred eleven thousand, two hundred thirty-one".