21214130201 has 32 divisors (see below), whose sum is σ = 24315033600. Its totient is φ = 18320734080.

The previous prime is 21214130191. The next prime is 21214130233. The reversal of 21214130201 is 10203141212.

It is not a de Polignac number, because 21214130201 - 2¹⁰ = 21214129177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21214130201.

It is not an unprimeable number, because it can be changed into a prime (21214130291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45426170 + ... + 45426636.

It is an arithmetic number, because the mean of its divisors is an integer number (759844800).

Almost surely, 2^21214130201 is an apocalyptic number.

It is an amenable number.

21214130201 is a deficient number, since it is larger than the sum of its proper divisors (3100903399).

21214130201 is a wasteful number, since it uses less digits than its factorization.

21214130201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

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

Adding to 21214130201 its reverse (10203141212), we get a palindrome (31417271413).

The spelling of 21214130201 in words is "twenty-one billion, two hundred fourteen million, one hundred thirty thousand, two hundred one".