220002122201 has 8 divisors (see below), whose sum is σ = 220137621480. Its totient is φ = 219866669568.

The previous prime is 220002122191. The next prime is 220002122209. The reversal of 220002122201 is 102221200022.

It can be written as a sum of positive squares in 4 ways, for example, as 75468331225 + 144533790976 = 274715^2 + 380176^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220002122201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220002122209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14188685 + ... + 14204181.

It is an arithmetic number, because the mean of its divisors is an integer number (27517202685).

Almost surely, 2^220002122201 is an apocalyptic number.

It is an amenable number.

220002122201 is a deficient number, since it is larger than the sum of its proper divisors (135499279).

220002122201 is a wasteful number, since it uses less digits than its factorization.

220002122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220002122201 its reverse (102221200022), we get a palindrome (322223322223).

It can be divided in two parts, 2200021 and 22201, that added together give a palindrome (2222222).

The spelling of 220002122201 in words is "two hundred twenty billion, two million, one hundred twenty-two thousand, two hundred one".