111101210112 has 40 divisors (see below), whose sum is σ = 295980571656. Its totient is φ = 37033736192.

The previous prime is 111101210057. The next prime is 111101210137. The reversal of 111101210112 is 211012101111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36164223 + ... + 36167294.

Almost surely, 2^111101210112 is an apocalyptic number.

111101210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111101210112 is an abundant number, since it is smaller than the sum of its proper divisors (184879361544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101210112 is an frugal number, since it uses more digits than its factorization.

111101210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72331538 (or 72331522 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111101210112 its reverse (211012101111), we get a palindrome (322113311223).

The spelling of 111101210112 in words is "one hundred eleven billion, one hundred one million, two hundred ten thousand, one hundred twelve".