11222122122212 has 12 divisors (see below), whose sum is σ = 19644194820096. Its totient is φ = 5609495030760.

The previous prime is 11222122122209. The next prime is 11222122122247. The reversal of 11222122122212 is 21222122122211.

11222122122212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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, 391491464 + ... + 391520127.

It is an arithmetic number, because the mean of its divisors is an integer number (1637016235008).

Almost surely, 2^{11222122122212} is an apocalyptic number.

It is an amenable number.

11222122122212 is a deficient number, since it is larger than the sum of its proper divisors (8422072697884).

11222122122212 is a wasteful number, since it uses less digits than its factorization.

11222122122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783015178 (or 783015176 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

Adding to 11222122122212 its reverse (21222122122211), we get a palindrome (32444244244423).

Subtracting 11222122122212 from its reverse (21222122122211), we obtain a palindrome (9999999999999).

The spelling of 11222122122212 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".