1001033221052 has 24 divisors (see below), whose sum is σ = 1828421223552. Its totient is φ = 478637812400.

The previous prime is 1001033221051. The next prime is 1001033221063. The reversal of 1001033221052 is 2501223301001.

1001033221052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001033221051) 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, 953474 + ... + 1706217.

It is an arithmetic number, because the mean of its divisors is an integer number (76184217648).

Almost surely, 2^{1001033221052} is an apocalyptic number.

It is an amenable number.

1001033221052 is a deficient number, since it is larger than the sum of its proper divisors (827388002500).

1001033221052 is a wasteful number, since it uses less digits than its factorization.

1001033221052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663809 (or 2663807 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 1001033221052 its reverse (2501223301001), we get a palindrome (3502256522053).

The spelling of 1001033221052 in words is "one trillion, one billion, thirty-three million, two hundred twenty-one thousand, fifty-two".