2235121211 has 2 divisors, whose sum is σ = 2235121212. Its totient is φ = 2235121210.

The previous prime is 2235121199. The next prime is 2235121219. The reversal of 2235121211 is 1121215322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2235121211 - 2¹⁴ = 2235104827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2235121219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117560605 + 1117560606.

It is an arithmetic number, because the mean of its divisors is an integer number (1117560606).

Almost surely, 2^2235121211 is an apocalyptic number.

2235121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235121211 is an equidigital number, since it uses as much as digits as its factorization.

2235121211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 2235121211 is about 47277.0685533695. The cubic root of 2235121211 is about 1307.4759024888.

Adding to 2235121211 its reverse (1121215322), we get a palindrome (3356336533).

The spelling of 2235121211 in words is "two billion, two hundred thirty-five million, one hundred twenty-one thousand, two hundred eleven".