101143124399 has 4 divisors (see below), whose sum is σ = 101150144664. Its totient is φ = 101136104136.

The previous prime is 101143124377. The next prime is 101143124413. The reversal of 101143124399 is 993421341101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993421341101 = 7 ⋅141917334443.

It is a cyclic number.

It is not a de Polignac number, because 101143124399 - 2¹² = 101143120303 is a prime.

It is a super-2 number, since 2×101143124399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143124309) 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, 3488477 + ... + 3517350.

It is an arithmetic number, because the mean of its divisors is an integer number (25287536166).

Almost surely, 2^101143124399 is an apocalyptic number.

101143124399 is a deficient number, since it is larger than the sum of its proper divisors (7020265).

101143124399 is an equidigital number, since it uses as much as digits as its factorization.

101143124399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020264.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 101143124399 in words is "one hundred one billion, one hundred forty-three million, one hundred twenty-four thousand, three hundred ninety-nine".