10042441121 has 4 divisors (see below), whose sum is σ = 10044500100. Its totient is φ = 10040382144.

The previous prime is 10042441081. The next prime is 10042441169. The reversal of 10042441121 is 12114424001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5006977600 + 5035463521 = 70760^2 + 70961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10042441121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10042441093 and 10042441102.

It is not an unprimeable number, because it can be changed into a prime (10042441021) 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, 1022156 + ... + 1031933.

It is an arithmetic number, because the mean of its divisors is an integer number (2511125025).

Almost surely, 2^10042441121 is an apocalyptic number.

It is an amenable number.

10042441121 is a deficient number, since it is larger than the sum of its proper divisors (2058979).

10042441121 is an equidigital number, since it uses as much as digits as its factorization.

10042441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058978.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10042441121 its reverse (12114424001), we get a palindrome (22156865122).

The spelling of 10042441121 in words is "ten billion, forty-two million, four hundred forty-one thousand, one hundred twenty-one".