111232101112 has 32 divisors (see below), whose sum is σ = 228522539520. Its totient is φ = 50337305440.

The previous prime is 111232101053. The next prime is 111232101143. The reversal of 111232101112 is 211101232111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2764168 + ... + 2804119.

It is an arithmetic number, because the mean of its divisors is an integer number (7141329360).

Almost surely, 2^111232101112 is an apocalyptic number.

It is an amenable number.

111232101112 is an abundant number, since it is smaller than the sum of its proper divisors (117290438408).

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

111232101112 is a wasteful number, since it uses less digits than its factorization.

111232101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568531 (or 5568527 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111232101112 its reverse (211101232111), we get a palindrome (322333333223).

The spelling of 111232101112 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred one thousand, one hundred twelve".