1001330211103 has 4 divisors (see below), whose sum is σ = 1020223234008. Its totient is φ = 982437188200.

The previous prime is 1001330211097. The next prime is 1001330211107. The reversal of 1001330211103 is 3011120331001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001330211103 - 2¹⁷ = 1001330080031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001330211107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9446511373 + ... + 9446511478.

It is an arithmetic number, because the mean of its divisors is an integer number (255055808502).

Almost surely, 2^{1001330211103} is an apocalyptic number.

1001330211103 is a deficient number, since it is larger than the sum of its proper divisors (18893022905).

1001330211103 is an equidigital number, since it uses as much as digits as its factorization.

1001330211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893022904.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1001330211103 its reverse (3011120331001), we get a palindrome (4012450542104).

The spelling of 1001330211103 in words is "one trillion, one billion, three hundred thirty million, two hundred eleven thousand, one hundred three".