21010020213301 has 8 divisors (see below), whose sum is σ = 24088658914944. Its totient is φ = 17950683322320.

The previous prime is 21010020213293. The next prime is 21010020213331. The reversal of 21010020213301 is 10331202001012.

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

It is not a de Polignac number, because 21010020213301 - 2³ = 21010020213293 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 (21010020213331) 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, 4825450330 + ... + 4825454683.

It is an arithmetic number, because the mean of its divisors is an integer number (3011082364368).

Almost surely, 2^{21010020213301} is an apocalyptic number.

It is an amenable number.

21010020213301 is a deficient number, since it is larger than the sum of its proper divisors (3078638701643).

21010020213301 is an equidigital number, since it uses as much as digits as its factorization.

21010020213301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650905331.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21010020213301 its reverse (10331202001012), we get a palindrome (31341222214313).

The spelling of 21010020213301 in words is "twenty-one trillion, ten billion, twenty million, two hundred thirteen thousand, three hundred one".