11011110221982 has 32 divisors (see below), whose sum is σ = 23726500116480. Its totient is φ = 3386567812320.

The previous prime is 11011110221977. The next prime is 11011110222023. The reversal of 11011110221982 is 28912201111011.

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 15 ways as a sum of consecutive naturals, for example, 30362382 + ... + 30722897.

It is an arithmetic number, because the mean of its divisors is an integer number (741453128640).

Almost surely, 2^{11011110221982} is an apocalyptic number.

11011110221982 is an abundant number, since it is smaller than the sum of its proper divisors (12715389894498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11011110221982 is a wasteful number, since it uses less digits than its factorization.

11011110221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61087608.

The product of its (nonzero) digits is 576, while the sum is 30.

Adding to 11011110221982 its reverse (28912201111011), we get a palindrome (39923311332993).

The spelling of 11011110221982 in words is "eleven trillion, eleven billion, one hundred ten million, two hundred twenty-one thousand, nine hundred eighty-two".