2113212003 has 16 divisors (see below), whose sum is σ = 3220774656. Its totient is φ = 1207308960.

The previous prime is 2113211981. The next prime is 2113212029. The reversal of 2113212003 is 3002123112.

It is not a de Polignac number, because 2113212003 - 2⁹ = 2113211491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113214003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203313 + ... + 213453.

It is an arithmetic number, because the mean of its divisors is an integer number (201298416).

Almost surely, 2^2113212003 is an apocalyptic number.

2113212003 is a deficient number, since it is larger than the sum of its proper divisors (1107562653).

2113212003 is a wasteful number, since it uses less digits than its factorization.

2113212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2113212003 is about 45969.6856961194. The cubic root of 2113212003 is about 1283.2591106490.

Adding to 2113212003 its reverse (3002123112), we get a palindrome (5115335115).

The spelling of 2113212003 in words is "two billion, one hundred thirteen million, two hundred twelve thousand, three".