1001223133108 has 36 divisors (see below), whose sum is σ = 1958549019840. Its totient is φ = 447387827920.

The previous prime is 1001223133103. The next prime is 1001223133109. The reversal of 1001223133108 is 8013313221001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001223133103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17502316 + ... + 17559427.

It is an arithmetic number, because the mean of its divisors is an integer number (54404139440).

Almost surely, 2^{1001223133108} is an apocalyptic number.

It is an amenable number.

1001223133108 is a deficient number, since it is larger than the sum of its proper divisors (957325886732).

1001223133108 is a wasteful number, since it uses less digits than its factorization.

1001223133108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35061828 (or 35061815 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1001223133108 its reverse (8013313221001), we get a palindrome (9014536354109).

The spelling of 1001223133108 in words is "one trillion, one billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred eight".