124131042120111 has 64 divisors (see below), whose sum is σ = 180256330146816. Its totient is φ = 75526149888000.

The previous prime is 124131042120079. The next prime is 124131042120121. The reversal of 124131042120111 is 111021240131421.

It is not a de Polignac number, because 124131042120111 - 2⁵ = 124131042120079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124131042120121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9757956231 + ... + 9757968951.

It is an arithmetic number, because the mean of its divisors is an integer number (2816505158544).

Almost surely, 2^{124131042120111} is an apocalyptic number.

124131042120111 is a deficient number, since it is larger than the sum of its proper divisors (56125288026705).

124131042120111 is a wasteful number, since it uses less digits than its factorization.

124131042120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 124131042120111 its reverse (111021240131421), we get a palindrome (235152282251532).

The spelling of 124131042120111 in words is "one hundred twenty-four trillion, one hundred thirty-one billion, forty-two million, one hundred twenty thousand, one hundred eleven".