2111312153 has 2 divisors, whose sum is σ = 2111312154. Its totient is φ = 2111312152.

The previous prime is 2111312087. The next prime is 2111312171. The reversal of 2111312153 is 3512131112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1216823689 + 894488464 = 34883^2 + 29908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111312153 - 2¹⁰ = 2111311129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111312173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055656076 + 1055656077.

It is an arithmetic number, because the mean of its divisors is an integer number (1055656077).

Almost surely, 2^2111312153 is an apocalyptic number.

It is an amenable number.

2111312153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111312153 is an equidigital number, since it uses as much as digits as its factorization.

2111312153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 20.

The square root of 2111312153 is about 45949.0168882861. The cubic root of 2111312153 is about 1282.8744307086.

Adding to 2111312153 its reverse (3512131112), we get a palindrome (5623443265).

The spelling of 2111312153 in words is "two billion, one hundred eleven million, three hundred twelve thousand, one hundred fifty-three".