21331233002 has 8 divisors (see below), whose sum is σ = 32013993216. Its totient is φ = 10659901932.

The previous prime is 21331232977. The next prime is 21331233013. The reversal of 21331233002 is 20033213312.

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

It is a super-2 number, since 2×21331233002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852618 + ... + 2860085.

It is an arithmetic number, because the mean of its divisors is an integer number (4001749152).

Almost surely, 2^21331233002 is an apocalyptic number.

21331233002 is a deficient number, since it is larger than the sum of its proper divisors (10682760214).

21331233002 is a wasteful number, since it uses less digits than its factorization.

21331233002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714572.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21331233002 its reverse (20033213312), we get a palindrome (41364446314).

The spelling of 21331233002 in words is "twenty-one billion, three hundred thirty-one million, two hundred thirty-three thousand, two".