21213001301113 has 8 divisors (see below), whose sum is σ = 21246882873920. Its totient is φ = 21179120563440.

The previous prime is 21213001301071. The next prime is 21213001301147. The reversal of 21213001301113 is 31110310031212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21213001301113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21213001301183) 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, 68793643 + ... + 69101311.

It is an arithmetic number, because the mean of its divisors is an integer number (2655860359240).

Almost surely, 2^{21213001301113} is an apocalyptic number.

It is an amenable number.

21213001301113 is a deficient number, since it is larger than the sum of its proper divisors (33881572807).

21213001301113 is a wasteful number, since it uses less digits than its factorization.

21213001301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417567.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 21213001301113 its reverse (31110310031212), we get a palindrome (52323311332325).

The spelling of 21213001301113 in words is "twenty-one trillion, two hundred thirteen billion, one million, three hundred one thousand, one hundred thirteen".