22100221100222 has 8 divisors (see below), whose sum is σ = 33333482654472. Its totient is φ = 10989060215400.

The previous prime is 22100221100203. The next prime is 22100221100261. The reversal of 22100221100222 is 22200112200122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22100221100222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30525166904 + ... + 30525167627.

It is an arithmetic number, because the mean of its divisors is an integer number (4166685331809).

Almost surely, 2^{22100221100222} is an apocalyptic number.

22100221100222 is a deficient number, since it is larger than the sum of its proper divisors (11233261554250).

22100221100222 is a wasteful number, since it uses less digits than its factorization.

22100221100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61050334714.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100221100222 its reverse (22200112200122), we get a palindrome (44300333300344).

The spelling of 22100221100222 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, one hundred thousand, two hundred twenty-two".