2111332243 has 2 divisors, whose sum is σ = 2111332244. Its totient is φ = 2111332242.

The previous prime is 2111332199. The next prime is 2111332253. The reversal of 2111332243 is 3422331112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111332243 - 2¹³ = 2111324051 is a prime.

It is a super-2 number, since 2×2111332243² = 8915447680662822098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2111332253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055666121 + 1055666122.

It is an arithmetic number, because the mean of its divisors is an integer number (1055666122).

Almost surely, 2^2111332243 is an apocalyptic number.

2111332243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111332243 is an equidigital number, since it uses as much as digits as its factorization.

2111332243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 2111332243 is about 45949.2354996250. The cubic root of 2111332243 is about 1282.8784997210.

Adding to 2111332243 its reverse (3422331112), we get a palindrome (5533663355).

The spelling of 2111332243 in words is "two billion, one hundred eleven million, three hundred thirty-two thousand, two hundred forty-three".