22121122102 has 4 divisors (see below), whose sum is σ = 33181683156. Its totient is φ = 11060561050.

The previous prime is 22121122099. The next prime is 22121122141. The reversal of 22121122102 is 20122112122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530280524 + ... + 5530280527.

It is an arithmetic number, because the mean of its divisors is an integer number (8295420789).

Almost surely, 2^22121122102 is an apocalyptic number.

22121122102 is a deficient number, since it is larger than the sum of its proper divisors (11060561054).

22121122102 is a wasteful number, since it uses less digits than its factorization.

22121122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060561053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22121122102 its reverse (20122112122), we get a palindrome (42243234224).

The spelling of 22121122102 in words is "twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred two".