1001033221231 has 8 divisors (see below), whose sum is σ = 1042409570400. Its totient is φ = 960114069600.

The previous prime is 1001033221211. The next prime is 1001033221241. The reversal of 1001033221231 is 1321223301001.

1001033221231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001033221231 is a prime.

It is a super-2 number, since 2×1001033221231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001033221199 and 1001033221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001033221211) 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, 114294916 + ... + 114303673.

It is an arithmetic number, because the mean of its divisors is an integer number (130301196300).

Almost surely, 2^{1001033221231} is an apocalyptic number.

1001033221231 is a deficient number, since it is larger than the sum of its proper divisors (41376349169).

1001033221231 is a wasteful number, since it uses less digits than its factorization.

1001033221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228598769.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001033221231 its reverse (1321223301001), we get a palindrome (2322256522232).

The spelling of 1001033221231 in words is "one trillion, one billion, thirty-three million, two hundred twenty-one thousand, two hundred thirty-one".