22222111220102 has 32 divisors (see below), whose sum is σ = 35355429763200. Its totient is φ = 10446137049600.

The previous prime is 22222111220087. The next prime is 22222111220119. The reversal of 22222111220102 is 20102211122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12902 + ... + 6666662.

It is an arithmetic number, because the mean of its divisors is an integer number (1104857180100).

Almost surely, 2^{22222111220102} is an apocalyptic number.

22222111220102 is a deficient number, since it is larger than the sum of its proper divisors (13133318543098).

22222111220102 is a wasteful number, since it uses less digits than its factorization.

22222111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654452.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22222111220102 its reverse (20102211122222), we get a palindrome (42324322342324).

The spelling of 22222111220102 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred two".