2112420269 has 2 divisors, whose sum is σ = 2112420270. Its totient is φ = 2112420268.

The previous prime is 2112420143. The next prime is 2112420341. The reversal of 2112420269 is 9620242112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2028331369 + 84088900 = 45037^2 + 9170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112420269 - 2²⁰ = 2111371693 is a prime.

It is a super-2 number, since 2×2112420269² = 8924638785764064722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112422269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056210134 + 1056210135.

It is an arithmetic number, because the mean of its divisors is an integer number (1056210135).

Almost surely, 2^2112420269 is an apocalyptic number.

It is an amenable number.

2112420269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112420269 is an equidigital number, since it uses as much as digits as its factorization.

2112420269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2112420269 is about 45961.0734100064. The cubic root of 2112420269 is about 1283.0988290842.

The spelling of 2112420269 in words is "two billion, one hundred twelve million, four hundred twenty thousand, two hundred sixty-nine".