124102143111 has 4 divisors (see below), whose sum is σ = 165469524152. Its totient is φ = 82734762072.

The previous prime is 124102143107. The next prime is 124102143127. The reversal of 124102143111 is 111341201421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111341201421 = 3 ⋅37113733807.

It is not a de Polignac number, because 124102143111 - 2² = 124102143107 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 (124102142111) 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, 20683690516 + ... + 20683690521.

It is an arithmetic number, because the mean of its divisors is an integer number (41367381038).

Almost surely, 2^124102143111 is an apocalyptic number.

124102143111 is a deficient number, since it is larger than the sum of its proper divisors (41367381041).

124102143111 is an equidigital number, since it uses as much as digits as its factorization.

124102143111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41367381040.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 124102143111 its reverse (111341201421), we get a palindrome (235443344532).

The spelling of 124102143111 in words is "one hundred twenty-four billion, one hundred two million, one hundred forty-three thousand, one hundred eleven".