11011010221982 has 64 divisors (see below), whose sum is σ = 17932722554880. Its totient is φ = 5051511206400.

The previous prime is 11011010221979. The next prime is 11011010221993. The reversal of 11011010221982 is 28912201011011.

It is a super-2 number, since 2×11011010221982² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144347732 + ... + 144423992.

It is an arithmetic number, because the mean of its divisors is an integer number (280198789920).

Almost surely, 2^{11011010221982} is an apocalyptic number.

11011010221982 is a deficient number, since it is larger than the sum of its proper divisors (6921712332898).

11011010221982 is a wasteful number, since it uses less digits than its factorization.

11011010221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76937.

The product of its (nonzero) digits is 576, while the sum is 29.

Adding to 11011010221982 its reverse (28912201011011), we get a palindrome (39923211232993).

The spelling of 11011010221982 in words is "eleven trillion, eleven billion, ten million, two hundred twenty-one thousand, nine hundred eighty-two".