212021001033 has 4 divisors (see below), whose sum is σ = 282694668048. Its totient is φ = 141347334020.

The previous prime is 212021001011. The next prime is 212021001041. The reversal of 212021001033 is 330100120212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212021001033 - 2³² = 207726033737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021008033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35336833503 + ... + 35336833508.

It is an arithmetic number, because the mean of its divisors is an integer number (70673667012).

Almost surely, 2^212021001033 is an apocalyptic number.

It is an amenable number.

212021001033 is a deficient number, since it is larger than the sum of its proper divisors (70673667015).

212021001033 is an equidigital number, since it uses as much as digits as its factorization.

212021001033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70673667014.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212021001033 its reverse (330100120212), we get a palindrome (542121121245).

The spelling of 212021001033 in words is "two hundred twelve billion, twenty-one million, one thousand, thirty-three".