22121200022 has 8 divisors (see below), whose sum is σ = 33201710136. Its totient is φ = 11053963312.

The previous prime is 22121200019. The next prime is 22121200039. The reversal of 22121200022 is 22000212122.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3314183 + ... + 3320850.

It is an arithmetic number, because the mean of its divisors is an integer number (4150213767).

Almost surely, 2^22121200022 is an apocalyptic number.

22121200022 is a deficient number, since it is larger than the sum of its proper divisors (11080510114).

22121200022 is a wasteful number, since it uses less digits than its factorization.

22121200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636702.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22121200022 its reverse (22000212122), we get a palindrome (44121412144).

The spelling of 22121200022 in words is "twenty-two billion, one hundred twenty-one million, two hundred thousand, twenty-two".