22112122212102 has 16 divisors (see below), whose sum is σ = 47626109380080. Its totient is φ = 6803729911392.

The previous prime is 22112122212101. The next prime is 22112122212113. The reversal of 22112122212102 is 20121222121122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112122212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141744373077 + ... + 141744373232.

It is an arithmetic number, because the mean of its divisors is an integer number (2976631836255).

Almost surely, 2^{22112122212102} is an apocalyptic number.

22112122212102 is an abundant number, since it is smaller than the sum of its proper divisors (25513987167978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112122212102 is a wasteful number, since it uses less digits than its factorization.

22112122212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283488746327.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22112122212102 its reverse (20121222121122), we get a palindrome (42233344333224).

The spelling of 22112122212102 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred two".