211202112133 has 2 divisors, whose sum is σ = 211202112134. Its totient is φ = 211202112132.

The previous prime is 211202112113. The next prime is 211202112181. The reversal of 211202112133 is 331211202112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207747258849 + 3454853284 = 455793^2 + 58778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202112133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211202112133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202112113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601056066 + 105601056067.

It is an arithmetic number, because the mean of its divisors is an integer number (105601056067).

Almost surely, 2^211202112133 is an apocalyptic number.

It is an amenable number.

211202112133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202112133 is an equidigital number, since it uses as much as digits as its factorization.

211202112133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211202112133 its reverse (331211202112), we get a palindrome (542413314245).

The spelling of 211202112133 in words is "two hundred eleven billion, two hundred two million, one hundred twelve thousand, one hundred thirty-three".