2100001103 has 2 divisors, whose sum is σ = 2100001104. Its totient is φ = 2100001102.

The previous prime is 2100001097. The next prime is 2100001117. The reversal of 2100001103 is 3011000012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100001103 - 2²⁴ = 2083223887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100004103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050000551 + 1050000552.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000552).

Almost surely, 2^2100001103 is an apocalyptic number.

2100001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100001103 is an equidigital number, since it uses as much as digits as its factorization.

2100001103 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 8.

The square root of 2100001103 is about 45825.7689842735. The cubic root of 2100001103 is about 1280.5793891904.

Adding to 2100001103 its reverse (3011000012), we get a palindrome (5111001115).

The spelling of 2100001103 in words is "two billion, one hundred million, one thousand, one hundred three".