1100221011983 has 2 divisors, whose sum is σ = 1100221011984. Its totient is φ = 1100221011982.

The previous prime is 1100221011943. The next prime is 1100221012019. The reversal of 1100221011983 is 3891101220011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100221011983 - 2¹⁸ = 1100220749839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100221011943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110505991 + 550110505992.

It is an arithmetic number, because the mean of its divisors is an integer number (550110505992).

Almost surely, 2^{1100221011983} is an apocalyptic number.

1100221011983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100221011983 is an equidigital number, since it uses as much as digits as its factorization.

1100221011983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

Adding to 1100221011983 its reverse (3891101220011), we get a palindrome (4991322231994).

The spelling of 1100221011983 in words is "one trillion, one hundred billion, two hundred twenty-one million, eleven thousand, nine hundred eighty-three".