22121102 has 8 divisors (see below), whose sum is σ = 33218112. Its totient is φ = 11048400.

The previous prime is 22121089. The next prime is 22121137. The reversal of 22121102 is 20112122.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3599 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (4152264).

Almost surely, 2^22121102 is an apocalyptic number.

22121102 is a deficient number, since it is larger than the sum of its proper divisors (11097010).

22121102 is a wasteful number, since it uses less digits than its factorization.

22121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12154.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 22121102 is about 4703.3075595797. The cubic root of 22121102 is about 280.7171328080.

Adding to 22121102 its reverse (20112122), we get a palindrome (42233224).

The spelling of 22121102 in words is "twenty-two million, one hundred twenty-one thousand, one hundred two".