10140043444121 has 4 divisors (see below), whose sum is σ = 10673729941200. Its totient is φ = 9606356947044.

The previous prime is 10140043444051. The next prime is 10140043444133. The reversal of 10140043444121 is 12144434004101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10140043444121 - 2¹⁸ = 10140043181977 is a prime.

It is a super-2 number, since 2×10140043444121² (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 (10140043444151) 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, 266843248511 + ... + 266843248548.

It is an arithmetic number, because the mean of its divisors is an integer number (2668432485300).

Almost surely, 2^{10140043444121} is an apocalyptic number.

It is an amenable number.

10140043444121 is a deficient number, since it is larger than the sum of its proper divisors (533686497079).

10140043444121 is an equidigital number, since it uses as much as digits as its factorization.

10140043444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533686497078.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 10140043444121 its reverse (12144434004101), we get a palindrome (22284477448222).

The spelling of 10140043444121 in words is "ten trillion, one hundred forty billion, forty-three million, four hundred forty-four thousand, one hundred twenty-one".