124111334441111 has 4 divisors (see below), whose sum is σ = 125963742417912. Its totient is φ = 122258926464312.

The previous prime is 124111334441071. The next prime is 124111334441113. The reversal of 124111334441111 is 111144433111421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124111334441111 - 2¹⁸ = 124111334178967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124111334441113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926203988300 + ... + 926203988433.

It is an arithmetic number, because the mean of its divisors is an integer number (31490935604478).

Almost surely, 2^{124111334441111} is an apocalyptic number.

124111334441111 is a deficient number, since it is larger than the sum of its proper divisors (1852407976801).

124111334441111 is an equidigital number, since it uses as much as digits as its factorization.

124111334441111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852407976800.

The product of its digits is 4608, while the sum is 32.

Adding to 124111334441111 its reverse (111144433111421), we get a palindrome (235255767552532).

The spelling of 124111334441111 in words is "one hundred twenty-four trillion, one hundred eleven billion, three hundred thirty-four million, four hundred forty-one thousand, one hundred eleven".