11222203123 has 8 divisors (see below), whose sum is σ = 11576419280. Its totient is φ = 10873478880.

The previous prime is 11222203061. The next prime is 11222203189. The reversal of 11222203123 is 32130222211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222203123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222203123.

It is not an unprimeable number, because it can be changed into a prime (11222003123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368828 + ... + 1377001.

It is an arithmetic number, because the mean of its divisors is an integer number (1447052410).

Almost surely, 2^11222203123 is an apocalyptic number.

11222203123 is a deficient number, since it is larger than the sum of its proper divisors (354216157).

11222203123 is an equidigital number, since it uses as much as digits as its factorization.

11222203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745957.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11222203123 its reverse (32130222211), we get a palindrome (43352425334).

The spelling of 11222203123 in words is "eleven billion, two hundred twenty-two million, two hundred three thousand, one hundred twenty-three".