22101002201222 has 8 divisors (see below), whose sum is σ = 37887432344976. Its totient is φ = 9471858086232.

The previous prime is 22101002201167. The next prime is 22101002201227. The reversal of 22101002201222 is 22210220010122.

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 22101002201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101002201227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789321507173 + ... + 789321507200.

It is an arithmetic number, because the mean of its divisors is an integer number (4735929043122).

Almost surely, 2^{22101002201222} is an apocalyptic number.

22101002201222 is a deficient number, since it is larger than the sum of its proper divisors (15786430143754).

22101002201222 is a wasteful number, since it uses less digits than its factorization.

22101002201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578643014382.

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

Adding to 22101002201222 its reverse (22210220010122), we get a palindrome (44311222211344).

The spelling of 22101002201222 in words is "twenty-two trillion, one hundred one billion, two million, two hundred one thousand, two hundred twenty-two".