11112011212 has 24 divisors (see below), whose sum is σ = 19643326976. Its totient is φ = 5499679248.

The previous prime is 11112011201. The next prime is 11112011231. The reversal of 11112011212 is 21211021111.

It is a happy number.

It is a super-2 number, since 2×11112011212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112011192 and 11112011201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298893 + ... + 1307419.

Almost surely, 2^11112011212 is an apocalyptic number.

It is an amenable number.

11112011212 is a deficient number, since it is larger than the sum of its proper divisors (8531315764).

11112011212 is a wasteful number, since it uses less digits than its factorization.

11112011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11797 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112011212 its reverse (21211021111), we get a palindrome (32323032323).

The spelling of 11112011212 in words is "eleven billion, one hundred twelve million, eleven thousand, two hundred twelve".