21113421301 has 12 divisors (see below), whose sum is σ = 24906437280. Its totient is φ = 17842324920.

The previous prime is 21113421299. The next prime is 21113421311. The reversal of 21113421301 is 10312431112.

It is not a de Polignac number, because 21113421301 - 2¹ = 21113421299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113421311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3030931 + ... + 3037888.

It is an arithmetic number, because the mean of its divisors is an integer number (2075536440).

Almost surely, 2^21113421301 is an apocalyptic number.

It is an amenable number.

21113421301 is a deficient number, since it is larger than the sum of its proper divisors (3793015979).

21113421301 is an equidigital number, since it uses as much as digits as its factorization.

21113421301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068904 (or 6068897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21113421301 its reverse (10312431112), we get a palindrome (31425852413).

The spelling of 21113421301 in words is "twenty-one billion, one hundred thirteen million, four hundred twenty-one thousand, three hundred one".