1002033023221 has 8 divisors (see below), whose sum is σ = 1080994560984. Its totient is φ = 925295754240.

The previous prime is 1002033023161. The next prime is 1002033023297. The reversal of 1002033023221 is 1223203302001.

It can be written as a sum of positive squares in 4 ways, for example, as 687637319121 + 314395704100 = 829239^2 + 560710^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1002033023221 - 2¹³ = 1002033015029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002033023521) 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, 556066260 + ... + 556068061.

It is an arithmetic number, because the mean of its divisors is an integer number (135124320123).

Almost surely, 2^{1002033023221} is an apocalyptic number.

It is an amenable number.

1002033023221 is a deficient number, since it is larger than the sum of its proper divisors (78961537763).

1002033023221 is a wasteful number, since it uses less digits than its factorization.

1002033023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112134391.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1002033023221 its reverse (1223203302001), we get a palindrome (2225236325222).

The spelling of 1002033023221 in words is "one trillion, two billion, thirty-three million, twenty-three thousand, two hundred twenty-one".