211030202033 has 6 divisors (see below), whose sum is σ = 245484112626. Its totient is φ = 180883030272.

The previous prime is 211030202029. The next prime is 211030202081. The reversal of 211030202033 is 330202030112.

It can be written as a sum of positive squares in only one way, i.e., 211018959424 + 11242609 = 459368^2 + 3353^2 .

It is not a de Polignac number, because 211030202033 - 2² = 211030202029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211030201033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2153369360 + ... + 2153369457.

It is an arithmetic number, because the mean of its divisors is an integer number (40914018771).

Almost surely, 2^211030202033 is an apocalyptic number.

It is an amenable number.

211030202033 is a deficient number, since it is larger than the sum of its proper divisors (34453910593).

211030202033 is an equidigital number, since it uses as much as digits as its factorization.

211030202033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306738831 (or 4306738824 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 211030202033 its reverse (330202030112), we get a palindrome (541232232145).

The spelling of 211030202033 in words is "two hundred eleven billion, thirty million, two hundred two thousand, thirty-three".