10001240121443 has 8 divisors (see below), whose sum is σ = 10123487085360. Its totient is φ = 9879547566240.

The previous prime is 10001240121403. The next prime is 10001240121461. The reversal of 10001240121443 is 34412104210001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001240121443 - 2³⁴ = 9984060252259 is a prime.

It is a super-2 number, since 2×10001240121443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001240121403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138565880 + ... + 138638037.

It is an arithmetic number, because the mean of its divisors is an integer number (1265435885670).

Almost surely, 2^{10001240121443} is an apocalyptic number.

10001240121443 is a deficient number, since it is larger than the sum of its proper divisors (122246963917).

10001240121443 is a wasteful number, since it uses less digits than its factorization.

10001240121443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277204357.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 10001240121443 its reverse (34412104210001), we get a palindrome (44413344331444).

The spelling of 10001240121443 in words is "ten trillion, one billion, two hundred forty million, one hundred twenty-one thousand, four hundred forty-three".