22212122220102 has 16 divisors (see below), whose sum is σ = 44424669146112. Its totient is φ = 7403969955720.

The previous prime is 22212122220097. The next prime is 22212122220157. The reversal of 22212122220102 is 20102222121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17014158 + ... + 18273089.

It is an arithmetic number, because the mean of its divisors is an integer number (2776541821632).

Almost surely, 2^{22212122220102} is an apocalyptic number.

22212122220102 is an abundant number, since it is smaller than the sum of its proper divisors (22212546926010).

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

22212122220102 is a wasteful number, since it uses less digits than its factorization.

22212122220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35392163.

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

Adding to 22212122220102 its reverse (20102222121222), we get a palindrome (42314344341324).

The spelling of 22212122220102 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".