11122123112 has 16 divisors (see below), whose sum is σ = 22080685860. Its totient is φ = 5233940224.

The previous prime is 11122123069. The next prime is 11122123121. The reversal of 11122123112 is 21132122111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10893931876 + 228191236 = 104374^2 + 15106^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40890023 + ... + 40890294.

Almost surely, 2^11122123112 is an apocalyptic number.

It is an amenable number.

11122123112 is a deficient number, since it is larger than the sum of its proper divisors (10958562748).

11122123112 is a wasteful number, since it uses less digits than its factorization.

11122123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81780340 (or 81780336 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

Adding to 11122123112 its reverse (21132122111), we get a palindrome (32254245223).

The spelling of 11122123112 in words is "eleven billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred twelve".