21330121333002 has 8 divisors (see below), whose sum is σ = 42660242666016. Its totient is φ = 7110040444332.

The previous prime is 21330121332973. The next prime is 21330121333051. The reversal of 21330121333002 is 20033312103312.

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

21330121333002 is an admirable number.

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, 1777510111078 + ... + 1777510111089.

It is an arithmetic number, because the mean of its divisors is an integer number (5332530333252).

Almost surely, 2^{21330121333002} is an apocalyptic number.

21330121333002 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.

21330121333002 is a wasteful number, since it uses less digits than its factorization.

21330121333002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555020222172.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21330121333002 its reverse (20033312103312), we get a palindrome (41363433436314).

The spelling of 21330121333002 in words is "twenty-one trillion, three hundred thirty billion, one hundred twenty-one million, three hundred thirty-three thousand, two".