11122143203 has 4 divisors (see below), whose sum is σ = 11480922048. Its totient is φ = 10763364360.

The previous prime is 11122143187. The next prime is 11122143239. The reversal of 11122143203 is 30234122111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30234122111 = 1129 ⋅26779559.

It is a cyclic number.

It is not a de Polignac number, because 11122143203 - 2⁴ = 11122143187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122143803) 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, 179389376 + ... + 179389437.

It is an arithmetic number, because the mean of its divisors is an integer number (2870230512).

Almost surely, 2^11122143203 is an apocalyptic number.

11122143203 is a deficient number, since it is larger than the sum of its proper divisors (358778845).

11122143203 is an equidigital number, since it uses as much as digits as its factorization.

11122143203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358778844.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11122143203 its reverse (30234122111), we get a palindrome (41356265314).

The spelling of 11122143203 in words is "eleven billion, one hundred twenty-two million, one hundred forty-three thousand, two hundred three".