10023331121 has 4 divisors (see below), whose sum is σ = 10612938852. Its totient is φ = 9433723392.

The previous prime is 10023331093. The next prime is 10023331133. The reversal of 10023331121 is 12113332001.

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 5935007521 + 4088323600 = 77039^2 + 63940^2 .

It is a cyclic number.

It is not a de Polignac number, because 10023331121 - 2⁶ = 10023331057 is a prime.

It is a super-2 number, since 2×10023331121² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 589607713 = 10023331121 / (1 + 0 + 0 + 2 + 3 + 3 + 3 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023331121.

It is not an unprimeable number, because it can be changed into a prime (10023331141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294803840 + ... + 294803873.

It is an arithmetic number, because the mean of its divisors is an integer number (2653234713).

Almost surely, 2^10023331121 is an apocalyptic number.

It is an amenable number.

10023331121 is a deficient number, since it is larger than the sum of its proper divisors (589607731).

10023331121 is an equidigital number, since it uses as much as digits as its factorization.

10023331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589607730.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10023331121 its reverse (12113332001), we get a palindrome (22136663122).

The spelling of 10023331121 in words is "ten billion, twenty-three million, three hundred thirty-one thousand, one hundred twenty-one".