220321121201 has 16 divisors (see below), whose sum is σ = 234056931264. Its totient is φ = 206671954944.

The previous prime is 220321121183. The next prime is 220321121249. The reversal of 220321121201 is 102121123022.

It is a cyclic number.

It is not a de Polignac number, because 220321121201 - 2¹⁰ = 220321120177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220321121201.

It is not an unprimeable number, because it can be changed into a prime (220321121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22469966 + ... + 22479768.

It is an arithmetic number, because the mean of its divisors is an integer number (14628558204).

Almost surely, 2^220321121201 is an apocalyptic number.

It is an amenable number.

220321121201 is a deficient number, since it is larger than the sum of its proper divisors (13735810063).

220321121201 is a wasteful number, since it uses less digits than its factorization.

220321121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14080.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220321121201 its reverse (102121123022), we get a palindrome (322442244223).

The spelling of 220321121201 in words is "two hundred twenty billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred one".