2211121301 has 2 divisors, whose sum is σ = 2211121302. Its totient is φ = 2211121300.

The previous prime is 2211121271. The next prime is 2211121313. The reversal of 2211121301 is 1031211122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2192674276 + 18447025 = 46826^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211121301 - 2¹⁰ = 2211120277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105560650 + 1105560651.

It is an arithmetic number, because the mean of its divisors is an integer number (1105560651).

Almost surely, 2^2211121301 is an apocalyptic number.

It is an amenable number.

2211121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211121301 is an equidigital number, since it uses as much as digits as its factorization.

2211121301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2211121301 is about 47022.5616167388. The cubic root of 2211121301 is about 1302.7793202188.

Adding to 2211121301 its reverse (1031211122), we get a palindrome (3242332423).

The spelling of 2211121301 in words is "two billion, two hundred eleven million, one hundred twenty-one thousand, three hundred one".