21210032321002 has 32 divisors (see below), whose sum is σ = 36388618002432. Its totient is φ = 9082876022064.

The previous prime is 21210032320951. The next prime is 21210032321029. The reversal of 21210032321002 is 20012323001212.

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, 92197773 + ... + 92427535.

It is an arithmetic number, because the mean of its divisors is an integer number (1137144312576).

Almost surely, 2^{21210032321002} is an apocalyptic number.

21210032321002 is a deficient number, since it is larger than the sum of its proper divisors (15178585681430).

21210032321002 is a wasteful number, since it uses less digits than its factorization.

21210032321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234922.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21210032321002 its reverse (20012323001212), we get a palindrome (41222355322214).

The spelling of 21210032321002 in words is "twenty-one trillion, two hundred ten billion, thirty-two million, three hundred twenty-one thousand, two".