201121222111301 has 2 divisors, whose sum is σ = 201121222111302. Its totient is φ = 201121222111300.

The previous prime is 201121222111219. The next prime is 201121222111309. The reversal of 201121222111301 is 103111222121102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115942609552225 + 85178612559076 = 10767665^2 + 9229226^2 .

It is a cyclic number.

It is not a de Polignac number, because 201121222111301 - 2³⁰ = 201120148369477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201121222111309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560611055650 + 100560611055651.

It is an arithmetic number, because the mean of its divisors is an integer number (100560611055651).

Almost surely, 2^{201121222111301} is an apocalyptic number.

It is an amenable number.

201121222111301 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121222111301 is an equidigital number, since it uses as much as digits as its factorization.

201121222111301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 201121222111301 its reverse (103111222121102), we get a palindrome (304232444232403).

The spelling of 201121222111301 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, three hundred one".