22121304010044 has 24 divisors (see below), whose sum is σ = 51635500358400. Its totient is φ = 7371035955504.

The previous prime is 22121304010033. The next prime is 22121304010067. The reversal of 22121304010044 is 44001040312122.

It is a super-2 number, since 2×22121304010044² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121304009996 and 22121304010023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341472244 + ... + 341537019.

It is an arithmetic number, because the mean of its divisors is an integer number (2151479181600).

Almost surely, 2^{22121304010044} is an apocalyptic number.

It is an amenable number.

22121304010044 is an abundant number, since it is smaller than the sum of its proper divisors (29514196348356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121304010044 is a wasteful number, since it uses less digits than its factorization.

22121304010044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683011969 (or 683011967 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22121304010044 its reverse (44001040312122), we get a palindrome (66122344322166).

The spelling of 22121304010044 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred four million, ten thousand, forty-four".