21003321010301 has 8 divisors (see below), whose sum is σ = 24004414070784. Its totient is φ = 18002382607440.

The previous prime is 21003321010297. The next prime is 21003321010327. The reversal of 21003321010301 is 10301012330012.

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

It is not a de Polignac number, because 21003321010301 - 2² = 21003321010297 is a prime.

It is a super-2 number, since 2×21003321010301² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21003321010301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003321010201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38373245 + ... + 38916738.

It is an arithmetic number, because the mean of its divisors is an integer number (3000551758848).

Almost surely, 2^{21003321010301} is an apocalyptic number.

It is an amenable number.

21003321010301 is a deficient number, since it is larger than the sum of its proper divisors (3001093060483).

21003321010301 is an equidigital number, since it uses as much as digits as its factorization.

21003321010301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77328811.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21003321010301 its reverse (10301012330012), we get a palindrome (31304333340313).

The spelling of 21003321010301 in words is "twenty-one trillion, three billion, three hundred twenty-one million, ten thousand, three hundred one".