22121105 has 8 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 17652976.

The previous prime is 22121089. The next prime is 22121137. The reversal of 22121105 is 50112122.

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

It is a cyclic number.

It is not a de Polignac number, because 22121105 - 2⁴ = 22121089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22121105.

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, 3185 + ... + 7374.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^22121105 is an apocalyptic number.

It is an amenable number.

22121105 is a deficient number, since it is larger than the sum of its proper divisors (4490095).

22121105 is a wasteful number, since it uses less digits than its factorization.

22121105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 22121105 is about 4703.3078785042. The cubic root of 22121105 is about 280.7171454980.

Adding to 22121105 its reverse (50112122), we get a palindrome (72233227).

The spelling of 22121105 in words is "twenty-two million, one hundred twenty-one thousand, one hundred five".