21210320233002 has 8 divisors (see below), whose sum is σ = 42420640466016. Its totient is φ = 7070106744332.

The previous prime is 21210320232977. The next prime is 21210320233049. The reversal of 21210320233002 is 20033202301212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

21210320233002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 21210320233002.

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, 1767526686078 + ... + 1767526686089.

It is an arithmetic number, because the mean of its divisors is an integer number (5302580058252).

Almost surely, 2^{21210320233002} is an apocalyptic number.

21210320233002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21210320233002 is a wasteful number, since it uses less digits than its factorization.

21210320233002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535053372172.

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

Adding to 21210320233002 its reverse (20033202301212), we get a palindrome (41243522534214).

The spelling of 21210320233002 in words is "twenty-one trillion, two hundred ten billion, three hundred twenty million, two hundred thirty-three thousand, two".