21042310201 has 32 divisors (see below), whose sum is σ = 24601788288. Its totient is φ = 17785405440.

The previous prime is 21042310183. The next prime is 21042310241. The reversal of 21042310201 is 10201324012.

It is not a de Polignac number, because 21042310201 - 2⁷ = 21042310073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21042310241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18737026 + ... + 18738148.

It is an arithmetic number, because the mean of its divisors is an integer number (768805884).

Almost surely, 2^21042310201 is an apocalyptic number.

It is an amenable number.

21042310201 is a deficient number, since it is larger than the sum of its proper divisors (3559478087).

21042310201 is a wasteful number, since it uses less digits than its factorization.

21042310201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21042310201 its reverse (10201324012), we get a palindrome (31243634213).

The spelling of 21042310201 in words is "twenty-one billion, forty-two million, three hundred ten thousand, two hundred one".