212111223003 has 12 divisors (see below), whose sum is σ = 306815020720. Its totient is φ = 141208031376.

The previous prime is 212111222989. The next prime is 212111223011. The reversal of 212111223003 is 300322111212.

It is not a de Polignac number, because 212111223003 - 2¹⁰ = 212111221979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212111223703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16614151 + ... + 16626912.

Almost surely, 2^212111223003 is an apocalyptic number.

212111223003 is a deficient number, since it is larger than the sum of its proper divisors (94703797717).

212111223003 is a wasteful number, since it uses less digits than its factorization.

212111223003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33241778 (or 33241775 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212111223003 its reverse (300322111212), we get a palindrome (512433334215).

The spelling of 212111223003 in words is "two hundred twelve billion, one hundred eleven million, two hundred twenty-three thousand, three".