1100021320312 has 16 divisors (see below), whose sum is σ = 2062626271200. Its totient is φ = 549987648000.

The previous prime is 1100021320243. The next prime is 1100021320361. The reversal of 1100021320312 is 2130231200011.

It is a super-3 number, since 3×1100021320312³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2672512 + ... + 3056527.

It is an arithmetic number, because the mean of its divisors is an integer number (128914141950).

Almost surely, 2^{1100021320312} is an apocalyptic number.

It is an amenable number.

1100021320312 is a deficient number, since it is larger than the sum of its proper divisors (962604950888).

1100021320312 is a wasteful number, since it uses less digits than its factorization.

1100021320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753046 (or 5753042 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100021320312 its reverse (2130231200011), we get a palindrome (3230252520323).

The spelling of 1100021320312 in words is "one trillion, one hundred billion, twenty-one million, three hundred twenty thousand, three hundred twelve".