2111331241 has 4 divisors (see below), whose sum is σ = 2111438992. Its totient is φ = 2111223492.

The previous prime is 2111331239. The next prime is 2111331251. The reversal of 2111331241 is 1421331112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2111331241 - 2¹ = 2111331239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111331251) 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 in 3 ways as a sum of consecutive naturals, for example, 15255 + ... + 66748.

It is an arithmetic number, because the mean of its divisors is an integer number (527859748).

Almost surely, 2^2111331241 is an apocalyptic number.

It is an amenable number.

2111331241 is a deficient number, since it is larger than the sum of its proper divisors (107751).

2111331241 is an equidigital number, since it uses as much as digits as its factorization.

2111331241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107750.

The product of its digits is 144, while the sum is 19.

The square root of 2111331241 is about 45949.2245962867. The cubic root of 2111331241 is about 1282.8782967773.

Adding to 2111331241 its reverse (1421331112), we get a palindrome (3532662353).

The spelling of 2111331241 in words is "two billion, one hundred eleven million, three hundred thirty-one thousand, two hundred forty-one".