11331123112203 has 16 divisors (see below), whose sum is σ = 16002554555520. Its totient is φ = 7107202142336.

The previous prime is 11331123112193. The next prime is 11331123112261. The reversal of 11331123112203 is 30221132113311.

It is a cyclic number.

It is not a de Polignac number, because 11331123112203 - 2⁸ = 11331123111947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331123112273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39263625 + ... + 39551162.

It is an arithmetic number, because the mean of its divisors is an integer number (1000159659720).

Almost surely, 2^{11331123112203} is an apocalyptic number.

11331123112203 is a deficient number, since it is larger than the sum of its proper divisors (4671431443317).

11331123112203 is a wasteful number, since it uses less digits than its factorization.

11331123112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78817626.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11331123112203 its reverse (30221132113311), we get a palindrome (41552255225514).

The spelling of 11331123112203 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, one hundred twelve thousand, two hundred three".