124111012231 has 4 divisors (see below), whose sum is σ = 124114774032. Its totient is φ = 124107250432.

The previous prime is 124111012163. The next prime is 124111012307. The reversal of 124111012231 is 132210111421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132210111421 = 571 ⋅231541351.

It is a cyclic number.

It is not a de Polignac number, because 124111012231 - 2²⁵ = 124077457799 is a prime.

It is a super-2 number, since 2×124111012231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124111012199 and 124111012208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124111012331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1830970 + ... + 1897543.

It is an arithmetic number, because the mean of its divisors is an integer number (31028693508).

Almost surely, 2^124111012231 is an apocalyptic number.

124111012231 is a deficient number, since it is larger than the sum of its proper divisors (3761801).

124111012231 is an equidigital number, since it uses as much as digits as its factorization.

124111012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761800.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 124111012231 its reverse (132210111421), we get a palindrome (256321123652).

The spelling of 124111012231 in words is "one hundred twenty-four billion, one hundred eleven million, twelve thousand, two hundred thirty-one".