2112211243 has 2 divisors, whose sum is σ = 2112211244. Its totient is φ = 2112211242.

The previous prime is 2112211219. The next prime is 2112211249. The reversal of 2112211243 is 3421122112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112211243 - 2²¹ = 2110114091 is a prime.

It is a super-2 number, since 2×2112211243² = 8922872670111210098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112211243.

It is not a weakly prime, because it can be changed into another prime (2112211249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056105621 + 1056105622.

It is an arithmetic number, because the mean of its divisors is an integer number (1056105622).

Almost surely, 2^2112211243 is an apocalyptic number.

2112211243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112211243 is an equidigital number, since it uses as much as digits as its factorization.

2112211243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 2112211243 is about 45958.7994077304. The cubic root of 2112211243 is about 1283.0565064040.

Adding to 2112211243 its reverse (3421122112), we get a palindrome (5533333355).

The spelling of 2112211243 in words is "two billion, one hundred twelve million, two hundred eleven thousand, two hundred forty-three".