21410213201 has 4 divisors (see below), whose sum is σ = 23057152692. Its totient is φ = 19763273712.

The previous prime is 21410213183. The next prime is 21410213221. The reversal of 21410213201 is 10231201412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13121931601 + 8288281600 = 114551^2 + 91040^2 .

It is not a de Polignac number, because 21410213201 - 2¹⁴ = 21410196817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21410213201.

It is not an unprimeable number, because it can be changed into a prime (21410213221) 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 3 ways as a sum of consecutive naturals, for example, 823469726 + ... + 823469751.

It is an arithmetic number, because the mean of its divisors is an integer number (5764288173).

Almost surely, 2^21410213201 is an apocalyptic number.

It is an amenable number.

21410213201 is a deficient number, since it is larger than the sum of its proper divisors (1646939491).

21410213201 is a wasteful number, since it uses less digits than its factorization.

21410213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646939490.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21410213201 its reverse (10231201412), we get a palindrome (31641414613).

The spelling of 21410213201 in words is "twenty-one billion, four hundred ten million, two hundred thirteen thousand, two hundred one".