111012212211212 has 36 divisors (see below), whose sum is σ = 216678414288336. Its totient is φ = 49469633008320.

The previous prime is 111012212211209. The next prime is 111012212211233. The reversal of 111012212211212 is 212112212210111.

It is a happy number.

111012212211212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111012212211212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269189464 + ... + 1269276927.

Almost surely, 2^{111012212211212} is an apocalyptic number.

It is an amenable number.

111012212211212 is a deficient number, since it is larger than the sum of its proper divisors (105666202077124).

111012212211212 is a wasteful number, since it uses less digits than its factorization.

111012212211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538466466 (or 2538466435 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111012212211212 its reverse (212112212210111), we get a palindrome (323124424421323).

The spelling of 111012212211212 in words is "one hundred eleven trillion, twelve billion, two hundred twelve million, two hundred eleven thousand, two hundred twelve".