211320013203 has 96 divisors (see below), whose sum is σ = 356022051840. Its totient is φ = 119699838720.

The previous prime is 211320013181. The next prime is 211320013217. The reversal of 211320013203 is 302310023112.

211320013203 is a `hidden beast` number, since 21 + 1 + 320 + 0 + 1 + 320 + 3 = 666.

It is not a de Polignac number, because 211320013203 - 2⁸ = 211320012947 is a prime.

It is a super-2 number, since 2×211320013203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211320013243) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24265776 + ... + 24274482.

It is an arithmetic number, because the mean of its divisors is an integer number (3708563040).

Almost surely, 2^211320013203 is an apocalyptic number.

211320013203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211320013203 is a deficient number, since it is larger than the sum of its proper divisors (144702038637).

211320013203 is a wasteful number, since it uses less digits than its factorization.

211320013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089 (or 9086 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211320013203 its reverse (302310023112), we get a palindrome (513630036315).

Subtracting 211320013203 from its reverse (302310023112), we obtain a palindrome (90990009909).

The spelling of 211320013203 in words is "two hundred eleven billion, three hundred twenty million, thirteen thousand, two hundred three".