22001222221102 has 32 divisors (see below), whose sum is σ = 34399195084800. Its totient is φ = 10541769204960.

The previous prime is 22001222221067. The next prime is 22001222221109. The reversal of 22001222221102 is 20112222210022.

It is a self number, because there is not a number n which added to its sum of digits gives 22001222221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001222221109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118003149 + ... + 118189447.

It is an arithmetic number, because the mean of its divisors is an integer number (1074974846400).

Almost surely, 2^{22001222221102} is an apocalyptic number.

22001222221102 is a deficient number, since it is larger than the sum of its proper divisors (12397972863698).

22001222221102 is a wasteful number, since it uses less digits than its factorization.

22001222221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204928.

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

Adding to 22001222221102 its reverse (20112222210022), we get a palindrome (42113444431124).

The spelling of 22001222221102 in words is "twenty-two trillion, one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred two".