1100221020983 has 16 divisors (see below), whose sum is σ = 1258199953920. Its totient is φ = 942443431776.

The previous prime is 1100221020967. The next prime is 1100221020989. The reversal of 1100221020983 is 3890201220011.

It is not a de Polignac number, because 1100221020983 - 2⁴ = 1100221020967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100221020989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124751348 + ... + 124760166.

It is an arithmetic number, because the mean of its divisors is an integer number (78637497120).

Almost surely, 2^{1100221020983} is an apocalyptic number.

1100221020983 is a deficient number, since it is larger than the sum of its proper divisors (157978932937).

1100221020983 is an equidigital number, since it uses as much as digits as its factorization.

1100221020983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 1100221020983 its reverse (3890201220011), we get a palindrome (4990422240994).

The spelling of 1100221020983 in words is "one trillion, one hundred billion, two hundred twenty-one million, twenty thousand, nine hundred eighty-three".