2001101001103 has 2 divisors, whose sum is σ = 2001101001104. Its totient is φ = 2001101001102.

The previous prime is 2001101000999. The next prime is 2001101001143. The reversal of 2001101001103 is 3011001011002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001101001103 - 2¹⁷ = 2001100870031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001101001103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001101001143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000550500551 + 1000550500552.

It is an arithmetic number, because the mean of its divisors is an integer number (1000550500552).

Almost surely, 2^{2001101001103} is an apocalyptic number.

2001101001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001101001103 is an equidigital number, since it uses as much as digits as its factorization.

2001101001103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 2001101001103 its reverse (3011001011002), we get a palindrome (5012102012105).

The spelling of 2001101001103 in words is "two trillion, one billion, one hundred one million, one thousand, one hundred three".