221001202000222 has 32 divisors (see below), whose sum is σ = 398811565486080. Its totient is φ = 89727020442720.

The previous prime is 221001202000193. The next prime is 221001202000231. The reversal of 221001202000222 is 222000202100122.

It is a junction number, because it is equal to n+sod(n) for n = 221001202000196 and 221001202000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341913 + ... + 21467524.

It is an arithmetic number, because the mean of its divisors is an integer number (12462861421440).

Almost surely, 2^{221001202000222} is an apocalyptic number.

221001202000222 is a deficient number, since it is larger than the sum of its proper divisors (177810363485858).

221001202000222 is a wasteful number, since it uses less digits than its factorization.

221001202000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25841656.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221001202000222 its reverse (222000202100122), we get a palindrome (443001404100344).

The spelling of 221001202000222 in words is "two hundred twenty-one trillion, one billion, two hundred two million, two hundred twenty-two", and thus it is an aban number.