20221211110201 has 2 divisors, whose sum is σ = 20221211110202. Its totient is φ = 20221211110200.

The previous prime is 20221211110157. The next prime is 20221211110223. The reversal of 20221211110201 is 10201111212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11572406526976 + 8648804583225 = 3401824^2 + 2940885^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221211110201 - 2³³ = 20212621175609 is a prime.

It is not a weakly prime, because it can be changed into another prime (20221211110271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110605555100 + 10110605555101.

It is an arithmetic number, because the mean of its divisors is an integer number (10110605555101).

Almost surely, 2^{20221211110201} is an apocalyptic number.

It is an amenable number.

20221211110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221211110201 is an equidigital number, since it uses as much as digits as its factorization.

20221211110201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221211110201 its reverse (10201111212202), we get a palindrome (30422322322403).

The spelling of 20221211110201 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, two hundred one".