21333321403102 has 24 divisors (see below), whose sum is σ = 34134110841600. Its totient is φ = 9997553533440.

The previous prime is 21333321403099. The next prime is 21333321403157. The reversal of 21333321403102 is 20130412333312.

It is a super-2 number, since 2×21333321403102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76435102 + ... + 76713697.

It is an arithmetic number, because the mean of its divisors is an integer number (1422254618400).

Almost surely, 2^{21333321403102} is an apocalyptic number.

21333321403102 is a deficient number, since it is larger than the sum of its proper divisors (12800789438498).

21333321403102 is a wasteful number, since it uses less digits than its factorization.

21333321403102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153149076 (or 153149059 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21333321403102 its reverse (20130412333312), we get a palindrome (41463733736414).

The spelling of 21333321403102 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred twenty-one million, four hundred three thousand, one hundred two".