21042133413310 has 32 divisors (see below), whose sum is σ = 37972255995072. Its totient is φ = 8395436782080.

The previous prime is 21042133413299. The next prime is 21042133413311. The reversal of 21042133413310 is 1331433124012.

It is a super-2 number, since 2×21042133413310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21042133413311) 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, 17879887 + ... + 19020373.

It is an arithmetic number, because the mean of its divisors is an integer number (1186632999846).

Almost surely, 2^{21042133413310} is an apocalyptic number.

21042133413310 is a deficient number, since it is larger than the sum of its proper divisors (16930122581762).

21042133413310 is a wasteful number, since it uses less digits than its factorization.

21042133413310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145188.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 21042133413310 its reverse (1331433124012), we get a palindrome (22373566537322).

The spelling of 21042133413310 in words is "twenty-one trillion, forty-two billion, one hundred thirty-three million, four hundred thirteen thousand, three hundred ten".