11122167212 has 12 divisors (see below), whose sum is σ = 20961007536. Its totient is φ = 5133307920.

The previous prime is 11122167209. The next prime is 11122167241. The reversal of 11122167212 is 21276122111.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 106943864 + ... + 106943967.

It is an arithmetic number, because the mean of its divisors is an integer number (1746750628).

Almost surely, 2^11122167212 is an apocalyptic number.

It is an amenable number.

11122167212 is a deficient number, since it is larger than the sum of its proper divisors (9838840324).

11122167212 is a wasteful number, since it uses less digits than its factorization.

11122167212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213887848 (or 213887846 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

Adding to 11122167212 its reverse (21276122111), we get a palindrome (32398289323).

The spelling of 11122167212 in words is "eleven billion, one hundred twenty-two million, one hundred sixty-seven thousand, two hundred twelve".