1121001011984 has 40 divisors (see below), whose sum is σ = 2482924380288. Its totient is φ = 480292001280.

The previous prime is 1121001011971. The next prime is 1121001011989. The reversal of 1121001011984 is 4891101001211.

It is a super-2 number, since 2×1121001011984² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121001011989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032137 + ... + 1818600.

Almost surely, 2^{1121001011984} is an apocalyptic number.

1121001011984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121001011984 is an abundant number, since it is smaller than the sum of its proper divisors (1361923368304).

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

1121001011984 is a wasteful number, since it uses less digits than its factorization.

1121001011984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854263 (or 2854257 counting only the distinct ones).

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

The spelling of 1121001011984 in words is "one trillion, one hundred twenty-one billion, one million, eleven thousand, nine hundred eighty-four".