10001023333121 has 4 divisors (see below), whose sum is σ = 10001107323312. Its totient is φ = 10000939342932.

The previous prime is 10001023333079. The next prime is 10001023333123. The reversal of 10001023333121 is 12133332010001.

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 a de Polignac number, because none of the positive numbers 2^k-10001023333121 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 = 10001023333093 and 10001023333102.

It is not an unprimeable number, because it can be changed into a prime (10001023333123) 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, 41816231 + ... + 42054716.

It is an arithmetic number, because the mean of its divisors is an integer number (2500276830828).

Almost surely, 2^{10001023333121} is an apocalyptic number.

It is an amenable number.

10001023333121 is a deficient number, since it is larger than the sum of its proper divisors (83990191).

10001023333121 is an equidigital number, since it uses as much as digits as its factorization.

10001023333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83990190.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10001023333121 its reverse (12133332010001), we get a palindrome (22134355343122).

The spelling of 10001023333121 in words is "ten trillion, one billion, twenty-three million, three hundred thirty-three thousand, one hundred twenty-one".