221020200111112 has 32 divisors (see below), whose sum is σ = 442532102572800. Its totient is φ = 103257490593600.

The previous prime is 221020200111101. The next prime is 221020200111187. The reversal of 221020200111112 is 211111002020122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15365690814 + ... + 15365705197.

It is an arithmetic number, because the mean of its divisors is an integer number (13829128205400).

Almost surely, 2^{221020200111112} is an apocalyptic number.

It is an amenable number.

221020200111112 is an abundant number, since it is smaller than the sum of its proper divisors (221511902461688).

221020200111112 is a wasteful number, since it uses less digits than its factorization.

221020200111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30731396077 (or 30731396073 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221020200111112 its reverse (211111002020122), we get a palindrome (432131202131234).

The spelling of 221020200111112 in words is "two hundred twenty-one trillion, twenty billion, two hundred million, one hundred eleven thousand, one hundred twelve".