211111120112 has 20 divisors (see below), whose sum is σ = 411633072696. Its totient is φ = 104883230400.

The previous prime is 211111120109. The next prime is 211111120117. The reversal of 211111120112 is 211021111112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211111120117) 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, 42018014 + ... + 42023037.

Almost surely, 2^211111120112 is an apocalyptic number.

It is an amenable number.

211111120112 is a deficient number, since it is larger than the sum of its proper divisors (200521952584).

211111120112 is a wasteful number, since it uses less digits than its factorization.

211111120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84041216 (or 84041210 counting only the distinct ones).

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

Adding to 211111120112 its reverse (211021111112), we get a palindrome (422132231224).

The spelling of 211111120112 in words is "two hundred eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred twelve".