2320121611 has 2 divisors, whose sum is σ = 2320121612. Its totient is φ = 2320121610.

The previous prime is 2320121581. The next prime is 2320121633. The reversal of 2320121611 is 1161210232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2320121611 - 2⁵ = 2320121579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2320121411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160060805 + 1160060806.

It is an arithmetic number, because the mean of its divisors is an integer number (1160060806).

Almost surely, 2^2320121611 is an apocalyptic number.

2320121611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320121611 is an equidigital number, since it uses as much as digits as its factorization.

2320121611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2320121611 is about 48167.6407041076. The cubic root of 2320121611 is about 1323.8443201233.

Adding to 2320121611 its reverse (1161210232), we get a palindrome (3481331843).

The spelling of 2320121611 in words is "two billion, three hundred twenty million, one hundred twenty-one thousand, six hundred eleven".