221110222022122 has 32 divisors (see below), whose sum is σ = 341800925924304. Its totient is φ = 107209359628800.

The previous prime is 221110222022111. The next prime is 221110222022147. The reversal of 221110222022122 is 221220222011122.

It can be written as a sum of positive squares in 8 ways, for example, as 109879682487201 + 111230539534921 = 10482351^2 + 10546589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221110222022093 and 221110222022102.

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, 57096472 + ... + 60845932.

Almost surely, 2^{221110222022122} is an apocalyptic number.

221110222022122 is a deficient number, since it is larger than the sum of its proper divisors (120690703902182).

221110222022122 is a wasteful number, since it uses less digits than its factorization.

221110222022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753834.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221110222022122 its reverse (221220222011122), we get a palindrome (442330444033244).

The spelling of 221110222022122 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-two".