22121222222102 has 16 divisors (see below), whose sum is σ = 35141769855360. Its totient is φ = 10407597602688.

The previous prime is 22121222222083. The next prime is 22121222222171. The reversal of 22121222222102 is 20122222212122.

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, 74516102 + ... + 74812377.

It is an arithmetic number, because the mean of its divisors is an integer number (2196360615960).

Almost surely, 2^{22121222222102} is an apocalyptic number.

22121222222102 is a deficient number, since it is larger than the sum of its proper divisors (13020547633258).

22121222222102 is a wasteful number, since it uses less digits than its factorization.

22121222222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149332855.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22121222222102 its reverse (20122222212122), we get a palindrome (42243444434224).

The spelling of 22121222222102 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred two".