221120202001112 has 16 divisors (see below), whose sum is σ = 414610790950800. Its totient is φ = 110557324414240.

The previous prime is 221120202001091. The next prime is 221120202001129. The reversal of 221120202001112 is 211100202021122.

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, 346734812 + ... + 347371947.

It is an arithmetic number, because the mean of its divisors is an integer number (25913174434425).

Almost surely, 2^{221120202001112} is an apocalyptic number.

It is an amenable number.

221120202001112 is a deficient number, since it is larger than the sum of its proper divisors (193490588949688).

221120202001112 is a wasteful number, since it uses less digits than its factorization.

221120202001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694146586 (or 694146582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221120202001112 its reverse (211100202021122), we get a palindrome (432220404022234).

The spelling of 221120202001112 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred two million, one thousand, one hundred twelve".