21202422143001 has 20 divisors (see below), whose sum is σ = 31096692786960. Its totient is φ = 12849952787320.

The previous prime is 21202422142987. The next prime is 21202422143029. The reversal of 21202422143001 is 10034122420212.

It is not a de Polignac number, because 21202422143001 - 2³⁴ = 21185242273817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21202422143041) 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 19 ways as a sum of consecutive naturals, for example, 241315071 + ... + 241402916.

It is an arithmetic number, because the mean of its divisors is an integer number (1554834639348).

Almost surely, 2^{21202422143001} is an apocalyptic number.

It is an amenable number.

21202422143001 is a deficient number, since it is larger than the sum of its proper divisors (9894270643959).

21202422143001 is an frugal number, since it uses more digits than its factorization.

21202422143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482718034 (or 482718001 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21202422143001 its reverse (10034122420212), we get a palindrome (31236544563213).

The spelling of 21202422143001 in words is "twenty-one trillion, two hundred two billion, four hundred twenty-two million, one hundred forty-three thousand, one".