1121209999982 has 8 divisors (see below), whose sum is σ = 1681928153400. Its totient is φ = 560567282184.

The previous prime is 1121209999981. The next prime is 1121210000003. The reversal of 1121209999982 is 2899999021211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121209999982² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121209999981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18821732 + ... + 18881207.

It is an arithmetic number, because the mean of its divisors is an integer number (210241019175).

Almost surely, 2^{1121209999982} is an apocalyptic number.

1121209999982 is a deficient number, since it is larger than the sum of its proper divisors (560718153418).

1121209999982 is a wasteful number, since it uses less digits than its factorization.

1121209999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37717810.

The product of its (nonzero) digits is 3779136, while the sum is 62.

The spelling of 1121209999982 in words is "one trillion, one hundred twenty-one billion, two hundred nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".