220212201020201 has 4 divisors (see below), whose sum is σ = 237151601098692. Its totient is φ = 203272800941712.

The previous prime is 220212201020179. The next prime is 220212201020297. The reversal of 220212201020201 is 102020102212022.

It is a happy number.

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 54717458265625 + 165494742754576 = 7397125^2 + 12864476^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212201020201 - 2⁶ = 220212201020137 is a prime.

It is a super-2 number, since 2×220212201020201² (a number of 29 digits) contains 22 as substring.

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 220212201020201.

It is not an unprimeable number, because it can be changed into a prime (220212201020501) 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 3 ways as a sum of consecutive naturals, for example, 8469700039226 + ... + 8469700039251.

It is an arithmetic number, because the mean of its divisors is an integer number (59287900274673).

Almost surely, 2^{220212201020201} is an apocalyptic number.

It is an amenable number.

220212201020201 is a deficient number, since it is larger than the sum of its proper divisors (16939400078491).

220212201020201 is a wasteful number, since it uses less digits than its factorization.

220212201020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16939400078490.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220212201020201 its reverse (102020102212022), we get a palindrome (322232303232223).

The spelling of 220212201020201 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred one million, twenty thousand, two hundred one".