201120441234221 has 2 divisors, whose sum is σ = 201120441234222. Its totient is φ = 201120441234220.

The previous prime is 201120441234217. The next prime is 201120441234227. The reversal of 201120441234221 is 122432144021102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173941016368900 + 27179424865321 = 13188670^2 + 5213389^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120441234221 - 2² = 201120441234217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201120441234227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560220617110 + 100560220617111.

It is an arithmetic number, because the mean of its divisors is an integer number (100560220617111).

Almost surely, 2^{201120441234221} is an apocalyptic number.

It is an amenable number.

201120441234221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120441234221 is an equidigital number, since it uses as much as digits as its factorization.

201120441234221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 201120441234221 its reverse (122432144021102), we get a palindrome (323552585255323).

The spelling of 201120441234221 in words is "two hundred one trillion, one hundred twenty billion, four hundred forty-one million, two hundred thirty-four thousand, two hundred twenty-one".