2101100033103 has 16 divisors (see below), whose sum is σ = 2855337713280. Its totient is φ = 1373816616224.

The previous prime is 2101100033093. The next prime is 2101100033107. The reversal of 2101100033103 is 3013300011012.

It is a cyclic number.

It is not a de Polignac number, because 2101100033103 - 2¹⁰ = 2101100032079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101100033107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895601 + ... + 2792042.

It is an arithmetic number, because the mean of its divisors is an integer number (178458607080).

Almost surely, 2^{2101100033103} is an apocalyptic number.

2101100033103 is a deficient number, since it is larger than the sum of its proper divisors (754237680177).

2101100033103 is a wasteful number, since it uses less digits than its factorization.

2101100033103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690518.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 2101100033103 its reverse (3013300011012), we get a palindrome (5114400044115).

The spelling of 2101100033103 in words is "two trillion, one hundred one billion, one hundred million, thirty-three thousand, one hundred three".