1001320211003 has 24 divisors (see below), whose sum is σ = 1227199475520. Its totient is φ = 812377233360.

The previous prime is 1001320210999. The next prime is 1001320211033. The reversal of 1001320211003 is 3001120231001.

It is not a de Polignac number, because 1001320211003 - 2² = 1001320210999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001320211033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566648 + ... + 1524378.

It is an arithmetic number, because the mean of its divisors is an integer number (51133311480).

Almost surely, 2^{1001320211003} is an apocalyptic number.

1001320211003 is a deficient number, since it is larger than the sum of its proper divisors (225879264517).

1001320211003 is a wasteful number, since it uses less digits than its factorization.

1001320211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958887 (or 958880 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1001320211003 its reverse (3001120231001), we get a palindrome (4002440442004).

The spelling of 1001320211003 in words is "one trillion, one billion, three hundred twenty million, two hundred eleven thousand, three".