21313002201 has 8 divisors (see below), whose sum is σ = 28953512640. Its totient is φ = 13940579952.

The previous prime is 21313002199. The next prime is 21313002241. The reversal of 21313002201 is 10220031312.

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

It is not a de Polignac number, because 21313002201 - 2¹ = 21313002199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21313002241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67021861 + ... + 67022178.

It is an arithmetic number, because the mean of its divisors is an integer number (3619189080).

Almost surely, 2^21313002201 is an apocalyptic number.

It is an amenable number.

21313002201 is a deficient number, since it is larger than the sum of its proper divisors (7640510439).

21313002201 is a wasteful number, since it uses less digits than its factorization.

21313002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134044095.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21313002201 its reverse (10220031312), we get a palindrome (31533033513).

The spelling of 21313002201 in words is "twenty-one billion, three hundred thirteen million, two thousand, two hundred one".