1101020121982 has 16 divisors (see below), whose sum is σ = 1801697184000. Its totient is φ = 500455943640.

The previous prime is 1101020121973. The next prime is 1101020122043. The reversal of 1101020121982 is 2891210201011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101020121982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212769 + ... + 1916467.

It is an arithmetic number, because the mean of its divisors is an integer number (112606074000).

Almost surely, 2^{1101020121982} is an apocalyptic number.

1101020121982 is a deficient number, since it is larger than the sum of its proper divisors (700677062018).

1101020121982 is a wasteful number, since it uses less digits than its factorization.

1101020121982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774831.

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

Adding to 1101020121982 its reverse (2891210201011), we get a palindrome (3992230322993).

The spelling of 1101020121982 in words is "one trillion, one hundred one billion, twenty million, one hundred twenty-one thousand, nine hundred eighty-two".