220211220200201 has 4 divisors (see below), whose sum is σ = 223227812257812. Its totient is φ = 217194628142592.

The previous prime is 220211220200189. The next prime is 220211220200249. The reversal of 220211220200201 is 102002022112022.

It is a happy number.

220211220200201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 165363139609600 + 54848080590601 = 12859360^2 + 7405949^2 .

It is a cyclic number.

It is not a de Polignac number, because 220211220200201 - 2¹⁸ = 220211219938057 is a prime.

It is a super-2 number, since 2×220211220200201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220211220200201.

It is not an unprimeable number, because it can be changed into a prime (220211220200261) 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, 1508296028696 + ... + 1508296028841.

It is an arithmetic number, because the mean of its divisors is an integer number (55806953064453).

Almost surely, 2^{220211220200201} is an apocalyptic number.

It is an amenable number.

220211220200201 is a deficient number, since it is larger than the sum of its proper divisors (3016592057611).

220211220200201 is an equidigital number, since it uses as much as digits as its factorization.

220211220200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016592057610.

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

Adding to 220211220200201 its reverse (102002022112022), we get a palindrome (322213242312223).

The spelling of 220211220200201 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred twenty million, two hundred thousand, two hundred one".