1121203119999 has 32 divisors (see below), whose sum is σ = 1544745600000. Its totient is φ = 722816555904.

The previous prime is 1121203119991. The next prime is 1121203120027. The reversal of 1121203119999 is 9999113021211.

It is not a de Polignac number, because 1121203119999 - 2³ = 1121203119991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121203119991) 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 31 ways as a sum of consecutive naturals, for example, 39704017 + ... + 39732245.

It is an arithmetic number, because the mean of its divisors is an integer number (48273300000).

Almost surely, 2^{1121203119999} is an apocalyptic number.

1121203119999 is a deficient number, since it is larger than the sum of its proper divisors (423542480001).

1121203119999 is a wasteful number, since it uses less digits than its factorization.

1121203119999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30447.

The product of its (nonzero) digits is 78732, while the sum is 48.

The spelling of 1121203119999 in words is "one trillion, one hundred twenty-one billion, two hundred three million, one hundred nineteen thousand, nine hundred ninety-nine".