21142330001 has 8 divisors (see below), whose sum is σ = 22769947200. Its totient is φ = 19514896272.

The previous prime is 21142329959. The next prime is 21142330019. The reversal of 21142330001 is 10003324112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21142330001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21142330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278450 + ... + 346148.

It is an arithmetic number, because the mean of its divisors is an integer number (2846243400).

Almost surely, 2^21142330001 is an apocalyptic number.

It is an amenable number.

21142330001 is a deficient number, since it is larger than the sum of its proper divisors (1627617199).

21142330001 is a wasteful number, since it uses less digits than its factorization.

21142330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91735.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21142330001 its reverse (10003324112), we get a palindrome (31145654113).

The spelling of 21142330001 in words is "twenty-one billion, one hundred forty-two million, three hundred thirty thousand, one".