20222112220201 has 16 divisors (see below), whose sum is σ = 21460521315600. Its totient is φ = 18989138165760.

The previous prime is 20222112220171. The next prime is 20222112220229. The reversal of 20222112220201 is 10202221122202.

It can be written as a sum of positive squares in 8 ways, for example, as 34847555625 + 20187264664576 = 186675^2 + 4493024^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222112220201 - 2²⁵ = 20222078665769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222112220291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161428771 + ... + 161553991.

It is an arithmetic number, because the mean of its divisors is an integer number (1341282582225).

Almost surely, 2^{20222112220201} is an apocalyptic number.

It is an amenable number.

20222112220201 is a deficient number, since it is larger than the sum of its proper divisors (1238409095399).

20222112220201 is a wasteful number, since it uses less digits than its factorization.

20222112220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146844.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20222112220201 its reverse (10202221122202), we get a palindrome (30424333342403).

The spelling of 20222112220201 in words is "twenty trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred one".