2120003003 has 4 divisors (see below), whose sum is σ = 2244709080. Its totient is φ = 1995296928.

The previous prime is 2120002981. The next prime is 2120003063. The reversal of 2120003003 is 3003000212.

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 2120003003 - 2²² = 2115808699 is a prime.

It is a Duffinian number.

2120003003 is a modest number, since divided by 3003 gives 2120 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2120003063) 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, 62353013 + ... + 62353046.

It is an arithmetic number, because the mean of its divisors is an integer number (561177270).

Almost surely, 2^2120003003 is an apocalyptic number.

2120003003 is a deficient number, since it is larger than the sum of its proper divisors (124706077).

2120003003 is a wasteful number, since it uses less digits than its factorization.

2120003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124706076.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2120003003 is about 46043.4903433699. The cubic root of 2120003003 is about 1284.6322642765.

Adding to 2120003003 its reverse (3003000212), we get a palindrome (5123003215).

The spelling of 2120003003 in words is "two billion, one hundred twenty million, three thousand, three".