22121100110 has 8 divisors (see below), whose sum is σ = 39817980216. Its totient is φ = 8848440040.

The previous prime is 22121100097. The next prime is 22121100121. The reversal of 22121100110 is 1100112122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22121100091 and 22121100100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106054996 + ... + 1106055015.

It is an arithmetic number, because the mean of its divisors is an integer number (4977247527).

Almost surely, 2^22121100110 is an apocalyptic number.

22121100110 is a deficient number, since it is larger than the sum of its proper divisors (17696880106).

22121100110 is a wasteful number, since it uses less digits than its factorization.

22121100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212110018.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22121100110 its reverse (1100112122), we get a palindrome (23221212232).

The spelling of 22121100110 in words is "twenty-two billion, one hundred twenty-one million, one hundred thousand, one hundred ten".