211110211112 has 8 divisors (see below), whose sum is σ = 395831645850. Its totient is φ = 105555105552.

The previous prime is 211110211111. The next prime is 211110211139. The reversal of 211110211112 is 211112011112.

It can be written as a sum of positive squares in only one way, i.e., 207412841476 + 3697369636 = 455426^2 + 60806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (211110211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13194388187 + ... + 13194388202.

Almost surely, 2^211110211112 is an apocalyptic number.

It is an amenable number.

211110211112 is a deficient number, since it is larger than the sum of its proper divisors (184721434738).

211110211112 is a wasteful number, since it uses less digits than its factorization.

211110211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388776395 (or 26388776391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211110211112 its reverse (211112011112), we get a palindrome (422222222224).

The spelling of 211110211112 in words is "two hundred eleven billion, one hundred ten million, two hundred eleven thousand, one hundred twelve".