220122220201 has 4 divisors (see below), whose sum is σ = 237054698692. Its totient is φ = 203189741712.

The previous prime is 220122220193. The next prime is 220122220217. The reversal of 220122220201 is 102022221022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21117902400 + 199004317801 = 145320^2 + 446099^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122220201 - 2³ = 220122220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122820201) 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, 8466239226 + ... + 8466239251.

It is an arithmetic number, because the mean of its divisors is an integer number (59263674673).

Almost surely, 2^220122220201 is an apocalyptic number.

It is an amenable number.

220122220201 is a deficient number, since it is larger than the sum of its proper divisors (16932478491).

220122220201 is a wasteful number, since it uses less digits than its factorization.

220122220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16932478490.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220122220201 its reverse (102022221022), we get a palindrome (322144441223).

The spelling of 220122220201 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".