221122101100222 has 32 divisors (see below), whose sum is σ = 380705393952000. Its totient is φ = 94356906756288.

The previous prime is 221122101100217. The next prime is 221122101100253. The reversal of 221122101100222 is 222001101221122.

It is a self number, because there is not a number n which added to its sum of digits gives 221122101100222.

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, 103651029 + ... + 105762847.

It is an arithmetic number, because the mean of its divisors is an integer number (11897043561000).

Almost surely, 2^{221122101100222} is an apocalyptic number.

221122101100222 is a deficient number, since it is larger than the sum of its proper divisors (159583292851778).

221122101100222 is a wasteful number, since it uses less digits than its factorization.

221122101100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144160.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221122101100222 its reverse (222001101221122), we get a palindrome (443123202321344).

The spelling of 221122101100222 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one hundred one million, one hundred thousand, two hundred twenty-two".