2112155263 has 2 divisors, whose sum is σ = 2112155264. Its totient is φ = 2112155262.

The previous prime is 2112155261. The next prime is 2112155321. The reversal of 2112155263 is 3625512112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112155263 - 2¹ = 2112155261 is a prime.

It is a super-2 number, since 2×2112155263² = 8922399710037198338, which contains 22 as substring.

Together with 2112155261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112155261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056077631 + 1056077632.

It is an arithmetic number, because the mean of its divisors is an integer number (1056077632).

Almost surely, 2^2112155263 is an apocalyptic number.

2112155263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112155263 is an equidigital number, since it uses as much as digits as its factorization.

2112155263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 2112155263 is about 45958.1903799530. The cubic root of 2112155263 is about 1283.0451713417.

Adding to 2112155263 its reverse (3625512112), we get a palindrome (5737667375).

The spelling of 2112155263 in words is "two billion, one hundred twelve million, one hundred fifty-five thousand, two hundred sixty-three".