21210010110201 has 64 divisors (see below), whose sum is σ = 31922554325760. Its totient is φ = 12414420480000.

The previous prime is 21210010110199. The next prime is 21210010110203. The reversal of 21210010110201 is 10201101001212.

It is an interprime number because it is at equal distance from previous prime (21210010110199) and next prime (21210010110203).

It is not a de Polignac number, because 21210010110201 - 2¹ = 21210010110199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21210010110203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 883996261 + ... + 884020253.

It is an arithmetic number, because the mean of its divisors is an integer number (498789911340).

Almost surely, 2^{21210010110201} is an apocalyptic number.

It is an amenable number.

21210010110201 is a deficient number, since it is larger than the sum of its proper divisors (10712544215559).

21210010110201 is a wasteful number, since it uses less digits than its factorization.

21210010110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30618.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21210010110201 its reverse (10201101001212), we get a palindrome (31411111111413).

It can be divided in two parts, 212100 and 10110201, that added together give a palindrome (10322301).

The spelling of 21210010110201 in words is "twenty-one trillion, two hundred ten billion, ten million, one hundred ten thousand, two hundred one".