22121044023 has 16 divisors (see below), whose sum is σ = 32013664256. Its totient is φ = 13505758560.

The previous prime is 22121044021. The next prime is 22121044081. The reversal of 22121044023 is 32044012122.

It is not a de Polignac number, because 22121044023 - 2¹ = 22121044021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121044021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2228143 + ... + 2238048.

It is an arithmetic number, because the mean of its divisors is an integer number (2000854016).

Almost surely, 2^22121044023 is an apocalyptic number.

22121044023 is a deficient number, since it is larger than the sum of its proper divisors (9892620233).

22121044023 is a wasteful number, since it uses less digits than its factorization.

22121044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466334.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22121044023 its reverse (32044012122), we get a palindrome (54165056145).

The spelling of 22121044023 in words is "twenty-two billion, one hundred twenty-one million, forty-four thousand, twenty-three".