11331124203 has 32 divisors (see below), whose sum is σ = 18064005120. Its totient is φ = 6182576640.

The previous prime is 11331124169. The next prime is 11331124243. The reversal of 11331124203 is 30242113311.

It is not a de Polignac number, because 11331124203 - 2⁹ = 11331123691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11331124203.

It is not an unprimeable number, because it can be changed into a prime (11331124243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99538 + ... + 180471.

It is an arithmetic number, because the mean of its divisors is an integer number (564500160).

Almost surely, 2^11331124203 is an apocalyptic number.

11331124203 is a deficient number, since it is larger than the sum of its proper divisors (6732880917).

11331124203 is a wasteful number, since it uses less digits than its factorization.

11331124203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280107.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11331124203 its reverse (30242113311), we get a palindrome (41573237514).

The spelling of 11331124203 in words is "eleven billion, three hundred thirty-one million, one hundred twenty-four thousand, two hundred three".