124021424203111 has 16 divisors (see below), whose sum is σ = 125674172800000. Its totient is φ = 122370757550496.

The previous prime is 124021424203057. The next prime is 124021424203123. The reversal of 124021424203111 is 111302424120421.

It is not a de Polignac number, because 124021424203111 - 2²³ = 124021415814503 is a prime.

It is a super-2 number, since 2×124021424203111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124021424203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124021424203181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2736609310 + ... + 2736654628.

It is an arithmetic number, because the mean of its divisors is an integer number (7854635800000).

Almost surely, 2^{124021424203111} is an apocalyptic number.

124021424203111 is a deficient number, since it is larger than the sum of its proper divisors (1652748596889).

124021424203111 is a wasteful number, since it uses less digits than its factorization.

124021424203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67486.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 124021424203111 its reverse (111302424120421), we get a palindrome (235323848323532).

The spelling of 124021424203111 in words is "one hundred twenty-four trillion, twenty-one billion, four hundred twenty-four million, two hundred three thousand, one hundred eleven".