21024143334210 has 16 divisors (see below), whose sum is σ = 50457944002176. Its totient is φ = 5606438222448.

The previous prime is 21024143334203. The next prime is 21024143334217. The reversal of 21024143334210 is 1243334142012.

It is an interprime number because it is at equal distance from previous prime (21024143334203) and next prime (21024143334217).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 700804777807 = 21024143334210 / (2 + 1 + 0 + 2 + 4 + 1 + 4 + 3 + 3 + 3 + 4 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (21024143334217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350402388874 + ... + 350402388933.

It is an arithmetic number, because the mean of its divisors is an integer number (3153621500136).

Almost surely, 2^{21024143334210} is an apocalyptic number.

21024143334210 is an abundant number, since it is smaller than the sum of its proper divisors (29433800667966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21024143334210 is a wasteful number, since it uses less digits than its factorization.

21024143334210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700804777817.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 21024143334210 its reverse (1243334142012), we get a palindrome (22267477476222).

The spelling of 21024143334210 in words is "twenty-one trillion, twenty-four billion, one hundred forty-three million, three hundred thirty-four thousand, two hundred ten".