21112323332189 has 2 divisors, whose sum is σ = 21112323332190. Its totient is φ = 21112323332188.

The previous prime is 21112323332183. The next prime is 21112323332249. The reversal of 21112323332189 is 98123332321112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20910115726564 + 202207605625 = 4572758^2 + 449675^2 .

It is a cyclic number.

It is not a de Polignac number, because 21112323332189 - 2⁴ = 21112323332173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112323332183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556161666094 + 10556161666095.

It is an arithmetic number, because the mean of its divisors is an integer number (10556161666095).

Almost surely, 2^{21112323332189} is an apocalyptic number.

It is an amenable number.

21112323332189 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112323332189 is an equidigital number, since it uses as much as digits as its factorization.

21112323332189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The spelling of 21112323332189 in words is "twenty-one trillion, one hundred twelve billion, three hundred twenty-three million, three hundred thirty-two thousand, one hundred eighty-nine".