211130209933 has 2 divisors, whose sum is σ = 211130209934. Its totient is φ = 211130209932.

The previous prime is 211130209919. The next prime is 211130209949. The reversal of 211130209933 is 339902031112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210950059849 + 180150084 = 459293^2 + 13422^2 .

It is a cyclic number.

It is not a de Polignac number, because 211130209933 - 2³³ = 202540275341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211130209973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565104966 + 105565104967.

It is an arithmetic number, because the mean of its divisors is an integer number (105565104967).

Almost surely, 2^211130209933 is an apocalyptic number.

It is an amenable number.

211130209933 is a deficient number, since it is larger than the sum of its proper divisors (1).

211130209933 is an equidigital number, since it uses as much as digits as its factorization.

211130209933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 211130209933 in words is "two hundred eleven billion, one hundred thirty million, two hundred nine thousand, nine hundred thirty-three".