1122020021982 has 32 divisors (see below), whose sum is σ = 2301725354400. Its totient is φ = 364487177600.

The previous prime is 1122020021981. The next prime is 1122020021987. The reversal of 1122020021982 is 2891200202211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122020021981) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11792769 + ... + 11887532.

It is an arithmetic number, because the mean of its divisors is an integer number (71928917325).

Almost surely, 2^{1122020021982} is an apocalyptic number.

1122020021982 is an abundant number, since it is smaller than the sum of its proper divisors (1179705332418).

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

1122020021982 is a wasteful number, since it uses less digits than its factorization.

1122020021982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23680508.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 1122020021982 in words is "one trillion, one hundred twenty-two billion, twenty million, twenty-one thousand, nine hundred eighty-two".