22120122100201 has 4 divisors (see below), whose sum is σ = 23421305753172. Its totient is φ = 20818938447232.

The previous prime is 22120122100187. The next prime is 22120122100229. The reversal of 22120122100201 is 10200122102122.

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 5869959840000 + 16250162260201 = 2422800^2 + 4031149^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120122100201 - 2¹⁹ = 22120121575913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120122103201) 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, 650591826460 + ... + 650591826493.

It is an arithmetic number, because the mean of its divisors is an integer number (5855326438293).

Almost surely, 2^{22120122100201} is an apocalyptic number.

It is an amenable number.

22120122100201 is a deficient number, since it is larger than the sum of its proper divisors (1301183652971).

22120122100201 is a wasteful number, since it uses less digits than its factorization.

22120122100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301183652970.

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

Adding to 22120122100201 its reverse (10200122102122), we get a palindrome (32320244202323).

The spelling of 22120122100201 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred thousand, two hundred one".