220000021201 has 4 divisors (see below), whose sum is σ = 220003416432. Its totient is φ = 219996625972.

The previous prime is 220000021193. The next prime is 220000021217. The reversal of 220000021201 is 102120000022.

220000021201 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220000021201 - 2³ = 220000021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220000021231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598491 + ... + 1730656.

It is an arithmetic number, because the mean of its divisors is an integer number (55000854108).

Almost surely, 2^220000021201 is an apocalyptic number.

It is an amenable number.

220000021201 is a deficient number, since it is larger than the sum of its proper divisors (3395231).

220000021201 is an equidigital number, since it uses as much as digits as its factorization.

220000021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395230.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220000021201 its reverse (102120000022), we get a palindrome (322120021223).

The spelling of 220000021201 in words is "two hundred twenty billion, twenty-one thousand, two hundred one".