21042310301 has 4 divisors (see below), whose sum is σ = 21063544704. Its totient is φ = 21021075900.

The previous prime is 21042310273. The next prime is 21042310307. The reversal of 21042310301 is 10301324012.

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 21042310301 - 2¹⁴ = 21042293917 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 21042310301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21042310307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10615715 + ... + 10617696.

It is an arithmetic number, because the mean of its divisors is an integer number (5265886176).

Almost surely, 2^21042310301 is an apocalyptic number.

It is an amenable number.

21042310301 is a deficient number, since it is larger than the sum of its proper divisors (21234403).

21042310301 is an equidigital number, since it uses as much as digits as its factorization.

21042310301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234402.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21042310301 its reverse (10301324012), we get a palindrome (31343634313).

The spelling of 21042310301 in words is "twenty-one billion, forty-two million, three hundred ten thousand, three hundred one".