212211102203 has 24 divisors (see below), whose sum is σ = 225177159168. Its totient is φ = 199596075888.

The previous prime is 212211102167. The next prime is 212211102211. The reversal of 212211102203 is 302201112212.

It is a de Polignac number, because none of the positive numbers 2^k-212211102203 is a prime.

It is a super-2 number, since 2×212211102203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211102503) 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, 47546750 + ... + 47551212.

It is an arithmetic number, because the mean of its divisors is an integer number (9382381632).

Almost surely, 2^212211102203 is an apocalyptic number.

212211102203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212211102203 is a deficient number, since it is larger than the sum of its proper divisors (12966056965).

212211102203 is a wasteful number, since it uses less digits than its factorization.

212211102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212211102203 its reverse (302201112212), we get a palindrome (514412214415).

The spelling of 212211102203 in words is "two hundred twelve billion, two hundred eleven million, one hundred two thousand, two hundred three".