221100022112 has 48 divisors (see below), whose sum is σ = 440217856512. Its totient is φ = 109304616960.

The previous prime is 221100022069. The next prime is 221100022181. The reversal of 221100022112 is 211220001122.

221100022112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1097912 + ... + 1283592.

It is an arithmetic number, because the mean of its divisors is an integer number (9171205344).

Almost surely, 2^221100022112 is an apocalyptic number.

It is an amenable number.

221100022112 is a deficient number, since it is larger than the sum of its proper divisors (219117834400).

221100022112 is a wasteful number, since it uses less digits than its factorization.

221100022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186111 (or 186103 counting only the distinct ones).

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

Adding to 221100022112 its reverse (211220001122), we get a palindrome (432320023234).

The spelling of 221100022112 in words is "two hundred twenty-one billion, one hundred million, twenty-two thousand, one hundred twelve".