11222013143 has 4 divisors (see below), whose sum is σ = 12242196168. Its totient is φ = 10201830120.

The previous prime is 11222013109. The next prime is 11222013211. The reversal of 11222013143 is 34131022211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11222013143 - 2⁶ = 11222013079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222013443) 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, 510091496 + ... + 510091517.

It is an arithmetic number, because the mean of its divisors is an integer number (3060549042).

Almost surely, 2^11222013143 is an apocalyptic number.

11222013143 is a deficient number, since it is larger than the sum of its proper divisors (1020183025).

11222013143 is a wasteful number, since it uses less digits than its factorization.

11222013143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020183024.

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

Adding to 11222013143 its reverse (34131022211), we get a palindrome (45353035354).

The spelling of 11222013143 in words is "eleven billion, two hundred twenty-two million, thirteen thousand, one hundred forty-three".