111120211112 has 8 divisors (see below), whose sum is σ = 208350395850. Its totient is φ = 55560105552.

The previous prime is 111120211087. The next prime is 111120211127. The reversal of 111120211112 is 211112021111.

It can be written as a sum of positive squares in only one way, i.e., 58415989636 + 52704221476 = 241694^2 + 229574^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945013187 + ... + 6945013202.

Almost surely, 2^111120211112 is an apocalyptic number.

It is an amenable number.

111120211112 is a deficient number, since it is larger than the sum of its proper divisors (97230184738).

111120211112 is a wasteful number, since it uses less digits than its factorization.

111120211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13890026395 (or 13890026391 counting only the distinct ones).

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

Adding to 111120211112 its reverse (211112021111), we get a palindrome (322232232223).

It can be divided in two parts, 11112021111 and 2, that multiplied together give a palindrome (22224042222).

The spelling of 111120211112 in words is "one hundred eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred twelve".