221112021002 has 16 divisors (see below), whose sum is σ = 342932812992. Its totient is φ = 106851485280.

The previous prime is 221112020993. The next prime is 221112021017. The reversal of 221112021002 is 200120211122.

221112021002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12591638 + ... + 12609185.

It is an arithmetic number, because the mean of its divisors is an integer number (21433300812).

Almost surely, 2^221112021002 is an apocalyptic number.

221112021002 is a deficient number, since it is larger than the sum of its proper divisors (121820791990).

221112021002 is a wasteful number, since it uses less digits than its factorization.

221112021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25200973.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221112021002 its reverse (200120211122), we get a palindrome (421232232124).

The spelling of 221112021002 in words is "two hundred twenty-one billion, one hundred twelve million, twenty-one thousand, two".