2101041003 has 4 divisors (see below), whose sum is σ = 2801388008. Its totient is φ = 1400694000.

The previous prime is 2101040989. The next prime is 2101041043. The reversal of 2101041003 is 3001401012.

It is a happy number.

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

It is not a de Polignac number, because 2101041003 - 2¹⁴ = 2101024619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101041003.

It is not an unprimeable number, because it can be changed into a prime (2101041043) 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, 350173498 + ... + 350173503.

It is an arithmetic number, because the mean of its divisors is an integer number (700347002).

Almost surely, 2^2101041003 is an apocalyptic number.

2101041003 is a deficient number, since it is larger than the sum of its proper divisors (700347005).

2101041003 is an equidigital number, since it uses as much as digits as its factorization.

2101041003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700347004.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2101041003 is about 45837.1138162079. The cubic root of 2101041003 is about 1280.7907311043.

Adding to 2101041003 its reverse (3001401012), we get a palindrome (5102442015).

The spelling of 2101041003 in words is "two billion, one hundred one million, forty-one thousand, three".