21210340143002 has 8 divisors (see below), whose sum is σ = 32841816995712. Its totient is φ = 10263067811100.

The previous prime is 21210340142983. The next prime is 21210340143011. The reversal of 21210340143002 is 20034104301212.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171051130124 + ... + 171051130247.

It is an arithmetic number, because the mean of its divisors is an integer number (4105227124464).

Almost surely, 2^{21210340143002} is an apocalyptic number.

21210340143002 is a deficient number, since it is larger than the sum of its proper divisors (11631476852710).

21210340143002 is a wasteful number, since it uses less digits than its factorization.

21210340143002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342102260404.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21210340143002 its reverse (20034104301212), we get a palindrome (41244444444214).

The spelling of 21210340143002 in words is "twenty-one trillion, two hundred ten billion, three hundred forty million, one hundred forty-three thousand, two".