211222112011112 has 16 divisors (see below), whose sum is σ = 396042574769700. Its totient is φ = 105610758739200.

The previous prime is 211222112011111. The next prime is 211222112011223. The reversal of 211222112011112 is 211110211222112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206720730261796 + 4501381749316 = 14377786^2 + 2121646^2 .

It is a super-2 number, since 2×211222112011112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222112011111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34123889 + ... + 39835712.

Almost surely, 2^{211222112011112} is an apocalyptic number.

It is an amenable number.

211222112011112 is a deficient number, since it is larger than the sum of its proper divisors (184820462758588).

211222112011112 is a wasteful number, since it uses less digits than its factorization.

211222112011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74316596 (or 74316592 counting only the distinct ones).

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

Adding to 211222112011112 its reverse (211110211222112), we get a palindrome (422332323233224).

The spelling of 211222112011112 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, eleven thousand, one hundred twelve".