2112143203 has 2 divisors, whose sum is σ = 2112143204. Its totient is φ = 2112143202.

The previous prime is 2112143179. The next prime is 2112143207. The reversal of 2112143203 is 3023412112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112143203 - 2²¹ = 2110046051 is a prime.

It is a super-2 number, since 2×2112143203² = 8922297819958198418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112143207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056071601 + 1056071602.

It is an arithmetic number, because the mean of its divisors is an integer number (1056071602).

Almost surely, 2^2112143203 is an apocalyptic number.

2112143203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112143203 is an equidigital number, since it uses as much as digits as its factorization.

2112143203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2112143203 is about 45958.0591735552. The cubic root of 2112143203 is about 1283.0427293568.

Adding to 2112143203 its reverse (3023412112), we get a palindrome (5135555315).

The spelling of 2112143203 in words is "two billion, one hundred twelve million, one hundred forty-three thousand, two hundred three".