21411300201 has 4 divisors (see below), whose sum is σ = 28548400272. Its totient is φ = 14274200132.

The previous prime is 21411300179. The next prime is 21411300221. The reversal of 21411300201 is 10200311412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21411300201 - 2⁶ = 21411300137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21411300221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568550031 + ... + 3568550036.

It is an arithmetic number, because the mean of its divisors is an integer number (7137100068).

Almost surely, 2^21411300201 is an apocalyptic number.

It is an amenable number.

21411300201 is a deficient number, since it is larger than the sum of its proper divisors (7137100071).

21411300201 is an equidigital number, since it uses as much as digits as its factorization.

21411300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137100070.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21411300201 its reverse (10200311412), we get a palindrome (31611611613).

The spelling of 21411300201 in words is "twenty-one billion, four hundred eleven million, three hundred thousand, two hundred one".