221000431120112 has 20 divisors (see below), whose sum is σ = 489358097480496. Its totient is φ = 94714470480000.

The previous prime is 221000431120099. The next prime is 221000431120159. The reversal of 221000431120112 is 211021134000122.

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, 986609067389 + ... + 986609067612.

Almost surely, 2^{221000431120112} is an apocalyptic number.

It is an amenable number.

221000431120112 is an abundant number, since it is smaller than the sum of its proper divisors (268357666360384).

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

221000431120112 is a wasteful number, since it uses less digits than its factorization.

221000431120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973218135016 (or 1973218135010 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 221000431120112 its reverse (211021134000122), we get a palindrome (432021565120234).

The spelling of 221000431120112 in words is "two hundred twenty-one trillion, four hundred thirty-one million, one hundred twenty thousand, one hundred twelve".