212021111301003 has 28 divisors (see below), whose sum is σ = 317887800537960. Its totient is φ = 141346717117056.

The previous prime is 212021111301001. The next prime is 212021111301017. The reversal of 212021111301003 is 300103111120212.

It is not a de Polignac number, because 212021111301003 - 2¹ = 212021111301001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021111301001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 180229768 + ... + 181402346.

Almost surely, 2^{212021111301003} is an apocalyptic number.

212021111301003 is a deficient number, since it is larger than the sum of its proper divisors (105866689236957).

212021111301003 is an equidigital number, since it uses as much as digits as its factorization.

212021111301003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420630 (or 1420615 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 212021111301003 its reverse (300103111120212), we get a palindrome (512124222421215).

The spelling of 212021111301003 in words is "two hundred twelve trillion, twenty-one billion, one hundred eleven million, three hundred one thousand, three".