220221013201 has 4 divisors (see below), whose sum is σ = 251681157952. Its totient is φ = 188760868452.

The previous prime is 220221013193. The next prime is 220221013219. The reversal of 220221013201 is 102310122022.

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 220221013201 - 2³ = 220221013193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220221013291) 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, 15730072365 + ... + 15730072378.

It is an arithmetic number, because the mean of its divisors is an integer number (62920289488).

Almost surely, 2^220221013201 is an apocalyptic number.

It is an amenable number.

220221013201 is a deficient number, since it is larger than the sum of its proper divisors (31460144751).

220221013201 is an equidigital number, since it uses as much as digits as its factorization.

220221013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31460144750.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220221013201 its reverse (102310122022), we get a palindrome (322531135223).

The spelling of 220221013201 in words is "two hundred twenty billion, two hundred twenty-one million, thirteen thousand, two hundred one".