241991211111 has 16 divisors (see below), whose sum is σ = 356865765984. Its totient is φ = 144892865664.

The previous prime is 241991211067. The next prime is 241991211139. The reversal of 241991211111 is 111112199142.

It is a happy number.

It is not a de Polignac number, because 241991211111 - 2¹⁴ = 241991194727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241991211151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83848596 + ... + 83851481.

It is an arithmetic number, because the mean of its divisors is an integer number (22304110374).

Almost surely, 2^241991211111 is an apocalyptic number.

241991211111 is a deficient number, since it is larger than the sum of its proper divisors (114874554873).

241991211111 is a wasteful number, since it uses less digits than its factorization.

241991211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167700130.

The product of its digits is 1296, while the sum is 33.

The spelling of 241991211111 in words is "two hundred forty-one billion, nine hundred ninety-one million, two hundred eleven thousand, one hundred eleven".