22121224044403 has 8 divisors (see below), whose sum is σ = 24784467234480. Its totient is φ = 19566684658080.

The previous prime is 22121224044401. The next prime is 22121224044419. The reversal of 22121224044403 is 30444042212122.

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 22121224044403 - 2¹ = 22121224044401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121224044401) 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, 27175950508 + ... + 27175951321.

It is an arithmetic number, because the mean of its divisors is an integer number (3098058404310).

Almost surely, 2^{22121224044403} is an apocalyptic number.

22121224044403 is a deficient number, since it is larger than the sum of its proper divisors (2663243190077).

22121224044403 is a wasteful number, since it uses less digits than its factorization.

22121224044403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54351901877.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 22121224044403 its reverse (30444042212122), we get a palindrome (52565266256525).

The spelling of 22121224044403 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred twenty-four million, forty-four thousand, four hundred three".