1121200223203 has 8 divisors (see below), whose sum is σ = 1123683357888. Its totient is φ = 1118717441064.

The previous prime is 1121200223177. The next prime is 1121200223281. The reversal of 1121200223203 is 3023220021211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121200223203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121200223293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888600 + ... + 7049482.

It is an arithmetic number, because the mean of its divisors is an integer number (140460419736).

Almost surely, 2^{1121200223203} is an apocalyptic number.

1121200223203 is a deficient number, since it is larger than the sum of its proper divisors (2483134685).

1121200223203 is a wasteful number, since it uses less digits than its factorization.

1121200223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176273.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1121200223203 its reverse (3023220021211), we get a palindrome (4144420244414).

The spelling of 1121200223203 in words is "one trillion, one hundred twenty-one billion, two hundred million, two hundred twenty-three thousand, two hundred three".