21300420003331 has 16 divisors (see below), whose sum is σ = 24447845999808. Its totient is φ = 18179142912000.

The previous prime is 21300420003311. The next prime is 21300420003383. The reversal of 21300420003331 is 13330002400312.

It is not a de Polignac number, because 21300420003331 - 2²³ = 21300411614723 is a prime.

It is a super-2 number, since 2×21300420003331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21300420003311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10930731 + ... + 12731131.

It is an arithmetic number, because the mean of its divisors is an integer number (1527990374988).

Almost surely, 2^{21300420003331} is an apocalyptic number.

21300420003331 is a deficient number, since it is larger than the sum of its proper divisors (3147425996477).

21300420003331 is a wasteful number, since it uses less digits than its factorization.

21300420003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807662.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21300420003331 its reverse (13330002400312), we get a palindrome (34630422403643).

The spelling of 21300420003331 in words is "twenty-one trillion, three hundred billion, four hundred twenty million, three thousand, three hundred thirty-one".