213111030033 has 12 divisors (see below), whose sum is σ = 335811320208. Its totient is φ = 129158199960.

The previous prime is 213111030017. The next prime is 213111030049. The reversal of 213111030033 is 330030111312.

It is a happy number.

213111030033 is a `hidden beast` number, since 21 + 311 + 1 + 0 + 300 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (213111030017) and next prime (213111030049).

It is not a de Polignac number, because 213111030033 - 2⁴ = 213111030017 is a prime.

It is a super-2 number, since 2×213111030033² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213111029988 and 213111030015.

It is not an unprimeable number, because it can be changed into a prime (213111034033) 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, 1076318235 + ... + 1076318432.

It is an arithmetic number, because the mean of its divisors is an integer number (27984276684).

Almost surely, 2^213111030033 is an apocalyptic number.

It is an amenable number.

213111030033 is a deficient number, since it is larger than the sum of its proper divisors (122700290175).

213111030033 is a wasteful number, since it uses less digits than its factorization.

213111030033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152636684 (or 2152636681 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 213111030033 its reverse (330030111312), we get a palindrome (543141141345).

The spelling of 213111030033 in words is "two hundred thirteen billion, one hundred eleven million, thirty thousand, thirty-three".