21042204410302 has 8 divisors (see below), whose sum is σ = 32098277914200. Its totient is φ = 10342778438904.

The previous prime is 21042204410261. The next prime is 21042204410303. The reversal of 21042204410302 is 20301440224012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21042204410303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89161882977 + ... + 89161883212.

It is an arithmetic number, because the mean of its divisors is an integer number (4012284739275).

Almost surely, 2^{21042204410302} is an apocalyptic number.

21042204410302 is a deficient number, since it is larger than the sum of its proper divisors (11056073503898).

21042204410302 is a wasteful number, since it uses less digits than its factorization.

21042204410302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178323766250.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 21042204410302 its reverse (20301440224012), we get a palindrome (41343644634314).

The spelling of 21042204410302 in words is "twenty-one trillion, forty-two billion, two hundred four million, four hundred ten thousand, three hundred two".