221120001112 has 16 divisors (see below), whose sum is σ = 417143562840. Its totient is φ = 109881717696.

The previous prime is 221120001061. The next prime is 221120001149. The reversal of 221120001112 is 211100021122.

It is a junction number, because it is equal to n+sod(n) for n = 221120001092 and 221120001101.

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, 84783973 + ... + 84786580.

Almost surely, 2^221120001112 is an apocalyptic number.

It is an amenable number.

221120001112 is a deficient number, since it is larger than the sum of its proper divisors (196023561728).

221120001112 is a wasteful number, since it uses less digits than its factorization.

221120001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169570722 (or 169570718 counting only the distinct ones).

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

Adding to 221120001112 its reverse (211100021122), we get a palindrome (432220022234).

The spelling of 221120001112 in words is "two hundred twenty-one billion, one hundred twenty million, one thousand, one hundred twelve".