1001033221112 has 8 divisors (see below), whose sum is σ = 1876937289600. Its totient is φ = 500516610552.

The previous prime is 1001033221087. The next prime is 1001033221117. The reversal of 1001033221112 is 2111223301001.

1001033221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001033221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62564576312 + ... + 62564576327.

It is an arithmetic number, because the mean of its divisors is an integer number (234617161200).

Almost surely, 2^{1001033221112} is an apocalyptic number.

It is an amenable number.

1001033221112 is a deficient number, since it is larger than the sum of its proper divisors (875904068488).

1001033221112 is a wasteful number, since it uses less digits than its factorization.

1001033221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125129152645 (or 125129152641 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1001033221112 its reverse (2111223301001), we get a palindrome (3112256522113).

The spelling of 1001033221112 in words is "one trillion, one billion, thirty-three million, two hundred twenty-one thousand, one hundred twelve".