1131203313121 has 8 divisors (see below), whose sum is σ = 1298168119424. Its totient is φ = 965579590080.

The previous prime is 1131203313067. The next prime is 1131203313127. The reversal of 1131203313121 is 1213133021311.

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

It is not a de Polignac number, because 1131203313121 - 2¹⁵ = 1131203280353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131203313092 and 1131203313101.

It is not an unprimeable number, because it can be changed into a prime (1131203313127) 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, 335269005 + ... + 335272378.

It is an arithmetic number, because the mean of its divisors is an integer number (162271014928).

Almost surely, 2^{1131203313121} is an apocalyptic number.

It is an amenable number.

1131203313121 is a deficient number, since it is larger than the sum of its proper divisors (166964806303).

1131203313121 is an equidigital number, since it uses as much as digits as its factorization.

1131203313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670541631.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1131203313121 its reverse (1213133021311), we get a palindrome (2344336334432).

The spelling of 1131203313121 in words is "one trillion, one hundred thirty-one billion, two hundred three million, three hundred thirteen thousand, one hundred twenty-one".