220221003201 has 4 divisors (see below), whose sum is σ = 293628004272. Its totient is φ = 146814002132.

The previous prime is 220221003181. The next prime is 220221003209. The reversal of 220221003201 is 102300122022.

It is a happy number.

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 220221003201 - 2⁹ = 220221002689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220221003209) 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, 36703500531 + ... + 36703500536.

It is an arithmetic number, because the mean of its divisors is an integer number (73407001068).

Almost surely, 2^220221003201 is an apocalyptic number.

It is an amenable number.

220221003201 is a deficient number, since it is larger than the sum of its proper divisors (73407001071).

220221003201 is an equidigital number, since it uses as much as digits as its factorization.

220221003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73407001070.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220221003201 its reverse (102300122022), we get a palindrome (322521125223).

The spelling of 220221003201 in words is "two hundred twenty billion, two hundred twenty-one million, three thousand, two hundred one".