11222222110012 has 48 divisors (see below), whose sum is σ = 20725295623200. Its totient is φ = 5302219944960.

The previous prime is 11222222110007. The next prime is 11222222110067. The reversal of 11222222110012 is 21001122222211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471252618 + ... + 471276430.

It is an arithmetic number, because the mean of its divisors is an integer number (431776992150).

Almost surely, 2^{11222222110012} is an apocalyptic number.

It is an amenable number.

11222222110012 is a deficient number, since it is larger than the sum of its proper divisors (9503073513188).

11222222110012 is a wasteful number, since it uses less digits than its factorization.

11222222110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39406 (or 39404 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222222110012 its reverse (21001122222211), we get a palindrome (32223344332223).

The spelling of 11222222110012 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, twelve".