22101022021222 has 8 divisors (see below), whose sum is σ = 33151933868976. Its totient is φ = 11050377398232.

The previous prime is 22101022021163. The next prime is 22101022021271. The reversal of 22101022021222 is 22212022010122.

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 22101022021222.

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, 66599298 + ... + 66930325.

It is an arithmetic number, because the mean of its divisors is an integer number (4143991733622).

Almost surely, 2^{22101022021222} is an apocalyptic number.

22101022021222 is a deficient number, since it is larger than the sum of its proper divisors (11050911847754).

22101022021222 is a wasteful number, since it uses less digits than its factorization.

22101022021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133612382.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22101022021222 its reverse (22212022010122), we get a palindrome (44313044031344).

It can be divided in two parts, 2210102 and 2021222, that added together give a palindrome (4231324).

The spelling of 22101022021222 in words is "twenty-two trillion, one hundred one billion, twenty-two million, twenty-one thousand, two hundred twenty-two".