21300312140422 has 16 divisors (see below), whose sum is σ = 37015023838752. Its totient is φ = 9003654446400.

The previous prime is 21300312140417. The next prime is 21300312140483. The reversal of 21300312140422 is 22404121300312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10420895329 + ... + 10420897372.

It is an arithmetic number, because the mean of its divisors is an integer number (2313438989922).

Almost surely, 2^{21300312140422} is an apocalyptic number.

21300312140422 is a deficient number, since it is larger than the sum of its proper divisors (15714711698330).

21300312140422 is a wasteful number, since it uses less digits than its factorization.

21300312140422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20841792783.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21300312140422 its reverse (22404121300312), we get a palindrome (43704433440734).

The spelling of 21300312140422 in words is "twenty-one trillion, three hundred billion, three hundred twelve million, one hundred forty thousand, four hundred twenty-two".