21030100303301 has 4 divisors (see below), whose sum is σ = 21030125026272. Its totient is φ = 21030075580332.

The previous prime is 21030100303259. The next prime is 21030100303309. The reversal of 21030100303301 is 10330300103012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21030100303301 - 2⁶ = 21030100303237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21030100303301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030100303309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11038331 + ... + 12802536.

It is an arithmetic number, because the mean of its divisors is an integer number (5257531256568).

Almost surely, 2^{21030100303301} is an apocalyptic number.

It is an amenable number.

21030100303301 is a deficient number, since it is larger than the sum of its proper divisors (24722971).

21030100303301 is an equidigital number, since it uses as much as digits as its factorization.

21030100303301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24722970.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 21030100303301 its reverse (10330300103012), we get a palindrome (31360400406313).

The spelling of 21030100303301 in words is "twenty-one trillion, thirty billion, one hundred million, three hundred three thousand, three hundred one".