2243121011 has 2 divisors, whose sum is σ = 2243121012. Its totient is φ = 2243121010.

The previous prime is 2243121007. The next prime is 2243121031. The reversal of 2243121011 is 1101213422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243121011 - 2² = 2243121007 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243121031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121560505 + 1121560506.

It is an arithmetic number, because the mean of its divisors is an integer number (1121560506).

Almost surely, 2^2243121011 is an apocalyptic number.

2243121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243121011 is an equidigital number, since it uses as much as digits as its factorization.

2243121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2243121011 is about 47361.5984844262. The cubic root of 2243121011 is about 1309.0339226563.

Adding to 2243121011 its reverse (1101213422), we get a palindrome (3344334433).

The spelling of 2243121011 in words is "two billion, two hundred forty-three million, one hundred twenty-one thousand, eleven".