221112000112 has 20 divisors (see below), whose sum is σ = 443177070120. Its totient is φ = 106743723968.

The previous prime is 221112000073. The next prime is 221112000163. The reversal of 221112000112 is 211000211122.

It is a junction number, because it is equal to n+sod(n) for n = 221112000092 and 221112000101.

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, 238266778 + ... + 238267705.

It is an arithmetic number, because the mean of its divisors is an integer number (22158853506).

Almost surely, 2^221112000112 is an apocalyptic number.

It is an amenable number.

221112000112 is an abundant number, since it is smaller than the sum of its proper divisors (222065070008).

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

221112000112 is a wasteful number, since it uses less digits than its factorization.

221112000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476534520 (or 476534514 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221112000112 its reverse (211000211122), we get a palindrome (432112211234).

The spelling of 221112000112 in words is "two hundred twenty-one billion, one hundred twelve million, one hundred twelve", and thus it is an aban number.