22222012212102 has 32 divisors (see below), whose sum is σ = 44676488206080. Its totient is φ = 7368649071840.

The previous prime is 22222012212067. The next prime is 22222012212143. The reversal of 22222012212102 is 20121221022222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5355274 + ... + 8551197.

It is an arithmetic number, because the mean of its divisors is an integer number (1396140256440).

Almost surely, 2^{22222012212102} is an apocalyptic number.

22222012212102 is an abundant number, since it is smaller than the sum of its proper divisors (22454475993978).

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

22222012212102 is a wasteful number, since it uses less digits than its factorization.

22222012212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907868.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22222012212102 its reverse (20121221022222), we get a palindrome (42343233234324).

The spelling of 22222012212102 in words is "twenty-two trillion, two hundred twenty-two billion, twelve million, two hundred twelve thousand, one hundred two".