213210112133 has 2 divisors, whose sum is σ = 213210112134. Its totient is φ = 213210112132.

The previous prime is 213210112127. The next prime is 213210112139. The reversal of 213210112133 is 331211012312.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (213210112127) and next prime (213210112139).

It can be written as a sum of positive squares in only one way, i.e., 113456469889 + 99753642244 = 336833^2 + 315838^2 .

It is a cyclic number.

It is not a de Polignac number, because 213210112133 - 2⁶ = 213210112069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213210112139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605056066 + 106605056067.

It is an arithmetic number, because the mean of its divisors is an integer number (106605056067).

Almost surely, 2^213210112133 is an apocalyptic number.

It is an amenable number.

213210112133 is a deficient number, since it is larger than the sum of its proper divisors (1).

213210112133 is an equidigital number, since it uses as much as digits as its factorization.

213210112133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213210112133 its reverse (331211012312), we get a palindrome (544421124445).

The spelling of 213210112133 in words is "two hundred thirteen billion, two hundred ten million, one hundred twelve thousand, one hundred thirty-three".