211113312003 has 24 divisors (see below), whose sum is σ = 333476822640. Its totient is φ = 127634607360.

The previous prime is 211113311999. The next prime is 211113312041. The reversal of 211113312003 is 300213311112.

211113312003 is a `hidden beast` number, since 21 + 111 + 331 + 200 + 3 = 666.

It is not a de Polignac number, because 211113312003 - 2² = 211113311999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211113312043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2566426 + ... + 2647407.

It is an arithmetic number, because the mean of its divisors is an integer number (13894867610).

Almost surely, 2^211113312003 is an apocalyptic number.

211113312003 is a deficient number, since it is larger than the sum of its proper divisors (122363510637).

211113312003 is a wasteful number, since it uses less digits than its factorization.

211113312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214259 (or 5214256 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211113312003 its reverse (300213311112), we get a palindrome (511326623115).

The spelling of 211113312003 in words is "two hundred eleven billion, one hundred thirteen million, three hundred twelve thousand, three".