1131203223001 has 4 divisors (see below), whose sum is σ = 1133066820352. Its totient is φ = 1129339625652.

The previous prime is 1131203222939. The next prime is 1131203223047. The reversal of 1131203223001 is 1003223021311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131203223001 - 2⁹ = 1131203222489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131203223001.

It is not an unprimeable number, because it can be changed into a prime (1131203223061) 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 3 ways as a sum of consecutive naturals, for example, 931797765 + ... + 931798978.

It is an arithmetic number, because the mean of its divisors is an integer number (283266705088).

Almost surely, 2^{1131203223001} is an apocalyptic number.

It is an amenable number.

1131203223001 is a deficient number, since it is larger than the sum of its proper divisors (1863597351).

1131203223001 is an equidigital number, since it uses as much as digits as its factorization.

1131203223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863597350.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131203223001 its reverse (1003223021311), we get a palindrome (2134426244312).

The spelling of 1131203223001 in words is "one trillion, one hundred thirty-one billion, two hundred three million, two hundred twenty-three thousand, one".