21210002023332 has 48 divisors (see below), whose sum is σ = 49826304360000. Its totient is φ = 7021965778560.

The previous prime is 21210002023321. The next prime is 21210002023363. The reversal of 21210002023332 is 23332020001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21210002023299 and 21210002023308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21234207 + ... + 22210617.

It is an arithmetic number, because the mean of its divisors is an integer number (1038048007500).

Almost surely, 2^{21210002023332} is an apocalyptic number.

It is an amenable number.

21210002023332 is an abundant number, since it is smaller than the sum of its proper divisors (28616302336668).

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

21210002023332 is a wasteful number, since it uses less digits than its factorization.

21210002023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988716 (or 988714 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21210002023332 its reverse (23332020001212), we get a palindrome (44542022024544).

The spelling of 21210002023332 in words is "twenty-one trillion, two hundred ten billion, two million, twenty-three thousand, three hundred thirty-two".