21443122410104 has 16 divisors (see below), whose sum is σ = 40211622211320. Its totient is φ = 10720023153760.

The previous prime is 21443122410071. The next prime is 21443122410163. The reversal of 21443122410104 is 40101422134412.

It is a super-2 number, since 2×21443122410104² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192197159 + ... + 192308694.

Almost surely, 2^{21443122410104} is an apocalyptic number.

It is an amenable number.

21443122410104 is a deficient number, since it is larger than the sum of its proper divisors (18768499801216).

21443122410104 is a wasteful number, since it uses less digits than its factorization.

21443122410104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384512830 (or 384512826 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 21443122410104 its reverse (40101422134412), we get a palindrome (61544544544516).

The spelling of 21443122410104 in words is "twenty-one trillion, four hundred forty-three billion, one hundred twenty-two million, four hundred ten thousand, one hundred four".