220201100122 has 8 divisors (see below), whose sum is σ = 330424310196. Its totient is φ = 110059663392.

The previous prime is 220201100029. The next prime is 220201100129. The reversal of 220201100122 is 221001102022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219988202841 + 212897281 = 469029^2 + 14591^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220201100129) 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, 20436603 + ... + 20447374.

Almost surely, 2^220201100122 is an apocalyptic number.

220201100122 is a deficient number, since it is larger than the sum of its proper divisors (110223210074).

220201100122 is a wasteful number, since it uses less digits than its factorization.

220201100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40886672.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220201100122 its reverse (221001102022), we get a palindrome (441202202144).

The spelling of 220201100122 in words is "two hundred twenty billion, two hundred one million, one hundred thousand, one hundred twenty-two".