222112000221 has 16 divisors (see below), whose sum is σ = 309892120704. Its totient is φ = 141354293184.

The previous prime is 222112000211. The next prime is 222112000241. The reversal of 222112000221 is 122000211222.

It is not a de Polignac number, because 222112000221 - 2²² = 222107805917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222112000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112000211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18871561 + ... + 18883326.

It is an arithmetic number, because the mean of its divisors is an integer number (19368257544).

Almost surely, 2^222112000221 is an apocalyptic number.

It is an amenable number.

222112000221 is a deficient number, since it is larger than the sum of its proper divisors (87780120483).

222112000221 is a wasteful number, since it uses less digits than its factorization.

222112000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37754980.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222112000221 its reverse (122000211222), we get a palindrome (344112211443).

The spelling of 222112000221 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-one", and thus it is an aban number.