202102133230189 has 2 divisors, whose sum is σ = 202102133230190. Its totient is φ = 202102133230188.

The previous prime is 202102133230159. The next prime is 202102133230271. The reversal of 202102133230189 is 981032331201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197299386468900 + 4802746761289 = 14046330^2 + 2191517^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102133230189 - 2⁷ = 202102133230061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202102133230159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051066615094 + 101051066615095.

It is an arithmetic number, because the mean of its divisors is an integer number (101051066615095).

Almost surely, 2^{202102133230189} is an apocalyptic number.

It is an amenable number.

202102133230189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102133230189 is an equidigital number, since it uses as much as digits as its factorization.

202102133230189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 202102133230189 in words is "two hundred two trillion, one hundred two billion, one hundred thirty-three million, two hundred thirty thousand, one hundred eighty-nine".