221100221000112 has 160 divisors (see below), whose sum is σ = 642033312000000. Its totient is φ = 65238868316160.

The previous prime is 221100221000089. The next prime is 221100221000177. The reversal of 221100221000112 is 211000122001122.

It is a junction number, because it is equal to n+sod(n) for n = 221100221000091 and 221100221000100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134015737 + ... + 135655512.

It is an arithmetic number, because the mean of its divisors is an integer number (4012708200000).

Almost surely, 2^{221100221000112} is an apocalyptic number.

It is an amenable number.

221100221000112 is an abundant number, since it is smaller than the sum of its proper divisors (420933090999888).

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

221100221000112 is a wasteful number, since it uses less digits than its factorization.

221100221000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269671339 (or 269671333 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221100221000112 its reverse (211000122001122), we get a palindrome (432100343001234).

The spelling of 221100221000112 in words is "two hundred twenty-one trillion, one hundred billion, two hundred twenty-one million, one hundred twelve", and thus it is an aban number.