21142132224203 has 8 divisors (see below), whose sum is σ = 21151747868160. Its totient is φ = 21132517582440.

The previous prime is 21142132224133. The next prime is 21142132224233. The reversal of 21142132224203 is 30242223124112.

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

It is a cyclic number.

It is not a de Polignac number, because 21142132224203 - 2¹² = 21142132220107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21142132224233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43695026 + ... + 44176232.

It is an arithmetic number, because the mean of its divisors is an integer number (2643968483520).

Almost surely, 2^{21142132224203} is an apocalyptic number.

21142132224203 is a deficient number, since it is larger than the sum of its proper divisors (9615643957).

21142132224203 is a wasteful number, since it uses less digits than its factorization.

21142132224203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501097.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21142132224203 its reverse (30242223124112), we get a palindrome (51384355348315).

The spelling of 21142132224203 in words is "twenty-one trillion, one hundred forty-two billion, one hundred thirty-two million, two hundred twenty-four thousand, two hundred three".