22121612110 has 16 divisors (see below), whose sum is σ = 42881894496. Its totient is φ = 8167979808.

The previous prime is 22121612069. The next prime is 22121612111. The reversal of 22121612110 is 1121612122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121612111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85082994 + ... + 85083253.

It is an arithmetic number, because the mean of its divisors is an integer number (2680118406).

Almost surely, 2^22121612110 is an apocalyptic number.

22121612110 is a deficient number, since it is larger than the sum of its proper divisors (20760282386).

22121612110 is a wasteful number, since it uses less digits than its factorization.

22121612110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170166267.

The product of its (nonzero) digits is 96, while the sum is 19.

The spelling of 22121612110 in words is "twenty-two billion, one hundred twenty-one million, six hundred twelve thousand, one hundred ten".