20220122110201 has 4 divisors (see below), whose sum is σ = 21775516118692. Its totient is φ = 18664728101712.

The previous prime is 20220122110193. The next prime is 20220122110207. The reversal of 20220122110201 is 10201122102202.

It is a happy number.

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 11890779786601 + 8329342323600 = 3448301^2 + 2886060^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220122110201 - 2³ = 20220122110193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220122110207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777697004226 + ... + 777697004251.

It is an arithmetic number, because the mean of its divisors is an integer number (5443879029673).

Almost surely, 2^{20220122110201} is an apocalyptic number.

It is an amenable number.

20220122110201 is a deficient number, since it is larger than the sum of its proper divisors (1555394008491).

20220122110201 is a wasteful number, since it uses less digits than its factorization.

20220122110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555394008490.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20220122110201 its reverse (10201122102202), we get a palindrome (30421244212403).

The spelling of 20220122110201 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, two hundred one".