21003321010299 has 32 divisors (see below), whose sum is σ = 30233704204800. Its totient is φ = 12929853108480.

The previous prime is 21003321010297. The next prime is 21003321010327. The reversal of 21003321010299 is 99201012330012.

It is not a de Polignac number, because 21003321010299 - 2¹ = 21003321010297 is a prime.

It is a super-2 number, since 2×21003321010299² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21003321010297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14368464 + ... + 15762594.

It is an arithmetic number, because the mean of its divisors is an integer number (944803256400).

Almost surely, 2^{21003321010299} is an apocalyptic number.

21003321010299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21003321010299 is a deficient number, since it is larger than the sum of its proper divisors (9230383194501).

21003321010299 is a wasteful number, since it uses less digits than its factorization.

21003321010299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401715.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 21003321010299 in words is "twenty-one trillion, three billion, three hundred twenty-one million, ten thousand, two hundred ninety-nine".