211102203203 has 16 divisors (see below), whose sum is σ = 233281373760. Its totient is φ = 190010827776.

The previous prime is 211102203199. The next prime is 211102203217. The reversal of 211102203203 is 302302201112.

It is a cyclic number.

It is not a de Polignac number, because 211102203203 - 2² = 211102203199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211102403203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196113 + ... + 2290221.

It is an arithmetic number, because the mean of its divisors is an integer number (14580085860).

Almost surely, 2^211102203203 is an apocalyptic number.

211102203203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

211102203203 is a deficient number, since it is larger than the sum of its proper divisors (22179170557).

211102203203 is a wasteful number, since it uses less digits than its factorization.

211102203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99886.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211102203203 its reverse (302302201112), we get a palindrome (513404404315).

The spelling of 211102203203 in words is "two hundred eleven billion, one hundred two million, two hundred three thousand, two hundred three".