212133032101 has 4 divisors (see below), whose sum is σ = 224611445772. Its totient is φ = 199654618432.

The previous prime is 212133032099. The next prime is 212133032117. The reversal of 212133032101 is 101230331212.

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 122411815876 + 89721216225 = 349874^2 + 299535^2 .

It is a cyclic number.

It is not a de Polignac number, because 212133032101 - 2¹ = 212133032099 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 (212133032701) 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, 6239206810 + ... + 6239206843.

It is an arithmetic number, because the mean of its divisors is an integer number (56152861443).

Almost surely, 2^212133032101 is an apocalyptic number.

It is an amenable number.

212133032101 is a deficient number, since it is larger than the sum of its proper divisors (12478413671).

212133032101 is a wasteful number, since it uses less digits than its factorization.

212133032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478413670.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212133032101 its reverse (101230331212), we get a palindrome (313363363313).

The spelling of 212133032101 in words is "two hundred twelve billion, one hundred thirty-three million, thirty-two thousand, one hundred one".