211132303212101 has 4 divisors (see below), whose sum is σ = 211132336250604. Its totient is φ = 211132270173600.

The previous prime is 211132303212071. The next prime is 211132303212121. The reversal of 211132303212101 is 101212303231112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67668227644900 + 143464075567201 = 8226070^2 + 11977649^2 .

It is a cyclic number.

It is not a de Polignac number, because 211132303212101 - 2²² = 211132299017797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211132303212121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3527870 + ... + 20849711.

It is an arithmetic number, because the mean of its divisors is an integer number (52783084062651).

Almost surely, 2^{211132303212101} is an apocalyptic number.

It is an amenable number.

211132303212101 is a deficient number, since it is larger than the sum of its proper divisors (33038503).

211132303212101 is an equidigital number, since it uses as much as digits as its factorization.

211132303212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33038502.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 211132303212101 its reverse (101212303231112), we get a palindrome (312344606443213).

The spelling of 211132303212101 in words is "two hundred eleven trillion, one hundred thirty-two billion, three hundred three million, two hundred twelve thousand, one hundred one".