211213020033 has 12 divisors (see below), whose sum is σ = 305764956900. Its totient is φ = 140495072256.

The previous prime is 211213020017. The next prime is 211213020043. The reversal of 211213020033 is 330020312112.

It can be written as a sum of positive squares in 2 ways, for example, as 58916396529 + 152296623504 = 242727^2 + 390252^2 .

It is not a de Polignac number, because 211213020033 - 2⁴ = 211213020017 is a prime.

It is a super-2 number, since 2×211213020033² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211213019988 and 211213020015.

It is not an unprimeable number, because it can be changed into a prime (211213020043) 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, 26129716 + ... + 26137797.

It is an arithmetic number, because the mean of its divisors is an integer number (25480413075).

Almost surely, 2^211213020033 is an apocalyptic number.

It is an amenable number.

211213020033 is a deficient number, since it is larger than the sum of its proper divisors (94551936867).

211213020033 is a wasteful number, since it uses less digits than its factorization.

211213020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52267968 (or 52267965 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211213020033 its reverse (330020312112), we get a palindrome (541233332145).

The spelling of 211213020033 in words is "two hundred eleven billion, two hundred thirteen million, twenty thousand, thirty-three".