11122213121212 has 6 divisors (see below), whose sum is σ = 19463872962128. Its totient is φ = 5561106560604.

The previous prime is 11122213121189. The next prime is 11122213121233. The reversal of 11122213121212 is 21212131222111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390276640148 + ... + 1390276640155.

Almost surely, 2^{11122213121212} is an apocalyptic number.

It is an amenable number.

11122213121212 is a deficient number, since it is larger than the sum of its proper divisors (8341659840916).

11122213121212 is a wasteful number, since it uses less digits than its factorization.

11122213121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780553280307 (or 2780553280305 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

Adding to 11122213121212 its reverse (21212131222111), we get a palindrome (32334344343323).

The spelling of 11122213121212 in words is "eleven trillion, one hundred twenty-two billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred twelve".