1121000020984 has 32 divisors (see below), whose sum is σ = 2125263089520. Its totient is φ = 554285595136.

The previous prime is 1121000020961. The next prime is 1121000020997. The reversal of 1121000020984 is 4890200001211.

It is a super-2 number, since 2×1121000020984² (a number of 25 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999127 + ... + 1800070.

Almost surely, 2^{1121000020984} is an apocalyptic number.

It is an amenable number.

1121000020984 is a deficient number, since it is larger than the sum of its proper divisors (1004263068536).

1121000020984 is a wasteful number, since it uses less digits than its factorization.

1121000020984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799759 (or 2799755 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1121000020984 in words is "one trillion, one hundred twenty-one billion, twenty thousand, nine hundred eighty-four".