20212101033 has 4 divisors (see below), whose sum is σ = 26949468048. Its totient is φ = 13474734020.

The previous prime is 20212101017. The next prime is 20212101079. The reversal of 20212101033 is 33010121202.

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 20212101033 - 2⁴ = 20212101017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212171033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368683503 + ... + 3368683508.

It is an arithmetic number, because the mean of its divisors is an integer number (6737367012).

Almost surely, 2^20212101033 is an apocalyptic number.

It is an amenable number.

20212101033 is a deficient number, since it is larger than the sum of its proper divisors (6737367015).

20212101033 is an equidigital number, since it uses as much as digits as its factorization.

20212101033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737367014.

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

Adding to 20212101033 its reverse (33010121202), we get a palindrome (53222222235).

The spelling of 20212101033 in words is "twenty billion, two hundred twelve million, one hundred one thousand, thirty-three".