1100021121982 has 8 divisors (see below), whose sum is σ = 1703258511552. Its totient is φ = 532268284800.

The previous prime is 1100021121971. The next prime is 1100021122007. The reversal of 1100021121982 is 2891211200011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1100021121982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8871138019 + ... + 8871138142.

It is an arithmetic number, because the mean of its divisors is an integer number (212907313944).

Almost surely, 2^{1100021121982} is an apocalyptic number.

1100021121982 is a deficient number, since it is larger than the sum of its proper divisors (603237389570).

1100021121982 is a wasteful number, since it uses less digits than its factorization.

1100021121982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742276194.

The product of its (nonzero) digits is 576, while the sum is 28.

Adding to 1100021121982 its reverse (2891211200011), we get a palindrome (3991232321993).

The spelling of 1100021121982 in words is "one trillion, one hundred billion, twenty-one million, one hundred twenty-one thousand, nine hundred eighty-two".