11311322122203 has 4 divisors (see below), whose sum is σ = 15081762829608. Its totient is φ = 7540881414800.

The previous prime is 11311322122183. The next prime is 11311322122223. The reversal of 11311322122203 is 30222122311311.

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 (11311322122183) and next prime (11311322122223).

It is a cyclic number.

It is not a de Polignac number, because 11311322122203 - 2⁸ = 11311322121947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311322122223) 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, 1885220353698 + ... + 1885220353703.

It is an arithmetic number, because the mean of its divisors is an integer number (3770440707402).

Almost surely, 2^{11311322122203} is an apocalyptic number.

11311322122203 is a deficient number, since it is larger than the sum of its proper divisors (3770440707405).

11311322122203 is an equidigital number, since it uses as much as digits as its factorization.

11311322122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770440707404.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11311322122203 its reverse (30222122311311), we get a palindrome (41533444433514).

The spelling of 11311322122203 in words is "eleven trillion, three hundred eleven billion, three hundred twenty-two million, one hundred twenty-two thousand, two hundred three".