220011200212201 has 4 divisors (see below), whose sum is σ = 220012577430100. Its totient is φ = 220009822994304.

The previous prime is 220011200212123. The next prime is 220011200212207. The reversal of 220011200212201 is 102212002110022.

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 157506917630976 + 62504282581225 = 12550176^2 + 7905965^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011200212201 - 2⁹ = 220011200211689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220011200212207) 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, 688369296 + ... + 688688833.

It is an arithmetic number, because the mean of its divisors is an integer number (55003144357525).

Almost surely, 2^{220011200212201} is an apocalyptic number.

It is an amenable number.

220011200212201 is a deficient number, since it is larger than the sum of its proper divisors (1377217899).

220011200212201 is a wasteful number, since it uses less digits than its factorization.

220011200212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377217898.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220011200212201 its reverse (102212002110022), we get a palindrome (322223202322223).

The spelling of 220011200212201 in words is "two hundred twenty trillion, eleven billion, two hundred million, two hundred twelve thousand, two hundred one".