21313113333001 has 16 divisors (see below), whose sum is σ = 25105845051648. Its totient is φ = 17715818030400.

The previous prime is 21313113332999. The next prime is 21313113333089. The reversal of 21313113333001 is 10033331131312.

It is not a de Polignac number, because 21313113333001 - 2¹ = 21313113332999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21313113333091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351474010 + ... + 351534643.

It is an arithmetic number, because the mean of its divisors is an integer number (1569115315728).

Almost surely, 2^{21313113333001} is an apocalyptic number.

It is an amenable number.

21313113333001 is a deficient number, since it is larger than the sum of its proper divisors (3792731718647).

21313113333001 is an equidigital number, since it uses as much as digits as its factorization.

21313113333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703008792.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 21313113333001 its reverse (10033331131312), we get a palindrome (31346444464313).

The spelling of 21313113333001 in words is "twenty-one trillion, three hundred thirteen billion, one hundred thirteen million, three hundred thirty-three thousand, one".