212020332211 has 4 divisors (see below), whose sum is σ = 215496075424. Its totient is φ = 208544589000.

The previous prime is 212020332203. The next prime is 212020332221. The reversal of 212020332211 is 112233020212.

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

It is a cyclic number.

It is not a de Polignac number, because 212020332211 - 2³ = 212020332203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020332221) 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, 1737871515 + ... + 1737871636.

It is an arithmetic number, because the mean of its divisors is an integer number (53874018856).

Almost surely, 2^212020332211 is an apocalyptic number.

212020332211 is a deficient number, since it is larger than the sum of its proper divisors (3475743213).

212020332211 is an equidigital number, since it uses as much as digits as its factorization.

212020332211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475743212.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212020332211 its reverse (112233020212), we get a palindrome (324253352423).

The spelling of 212020332211 in words is "two hundred twelve billion, twenty million, three hundred thirty-two thousand, two hundred eleven".