22122121102 has 16 divisors (see below), whose sum is σ = 33518138400. Its totient is φ = 10949450400.

The previous prime is 22122121067. The next prime is 22122121123. The reversal of 22122121102 is 20112122122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022424 + ... + 2033332.

It is an arithmetic number, because the mean of its divisors is an integer number (2094883650).

Almost surely, 2^22122121102 is an apocalyptic number.

22122121102 is a deficient number, since it is larger than the sum of its proper divisors (11396017298).

22122121102 is a wasteful number, since it uses less digits than its factorization.

22122121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051.

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

Adding to 22122121102 its reverse (20112122122), we get a palindrome (42234243224).

The spelling of 22122121102 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred two".