21104223033032 has 16 divisors (see below), whose sum is σ = 41898089845260. Its totient is φ = 9931399074304.

The previous prime is 21104223033029. The next prime is 21104223033041. The reversal of 21104223033032 is 23033032240112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19497752971876 + 1606470061156 = 4415626^2 + 1267466^2 .

It is a super-2 number, since 2×21104223033032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21104223032992 and 21104223033010.

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, 77589055133 + ... + 77589055404.

Almost surely, 2^{21104223033032} is an apocalyptic number.

It is an amenable number.

21104223033032 is a deficient number, since it is larger than the sum of its proper divisors (20793866812228).

21104223033032 is a wasteful number, since it uses less digits than its factorization.

21104223033032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155178110560 (or 155178110556 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21104223033032 its reverse (23033032240112), we get a palindrome (44137255273144).

The spelling of 21104223033032 in words is "twenty-one trillion, one hundred four billion, two hundred twenty-three million, thirty-three thousand, thirty-two".