1131021001003 has 8 divisors (see below), whose sum is σ = 1141613766720. Its totient is φ = 1120428651720.

The previous prime is 1131021000913. The next prime is 1131021001009. The reversal of 1131021001003 is 3001001201311.

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

It is a cyclic number.

It is not a de Polignac number, because 1131021001003 - 2⁹ = 1131021000491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131021001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9357988 + ... + 9478078.

It is an arithmetic number, because the mean of its divisors is an integer number (142701720840).

Almost surely, 2^{1131021001003} is an apocalyptic number.

1131021001003 is a deficient number, since it is larger than the sum of its proper divisors (10592765717).

1131021001003 is a wasteful number, since it uses less digits than its factorization.

1131021001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208217.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1131021001003 its reverse (3001001201311), we get a palindrome (4132022202314).

The spelling of 1131021001003 in words is "one trillion, one hundred thirty-one billion, twenty-one million, one thousand, three".