211001230133 has 2 divisors, whose sum is σ = 211001230134. Its totient is φ = 211001230132.

The previous prime is 211001230109. The next prime is 211001230151. The reversal of 211001230133 is 331032100112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190059377764 + 20941852369 = 435958^2 + 144713^2 .

It is a cyclic number.

It is not a de Polignac number, because 211001230133 - 2³⁴ = 193821360949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211001230163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500615066 + 105500615067.

It is an arithmetic number, because the mean of its divisors is an integer number (105500615067).

Almost surely, 2^211001230133 is an apocalyptic number.

It is an amenable number.

211001230133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001230133 is an equidigital number, since it uses as much as digits as its factorization.

211001230133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 211001230133 its reverse (331032100112), we get a palindrome (542033330245).

The spelling of 211001230133 in words is "two hundred eleven billion, one million, two hundred thirty thousand, one hundred thirty-three".