212122011211 has 8 divisors (see below), whose sum is σ = 231556995648. Its totient is φ = 192712221000.

The previous prime is 212122011203. The next prime is 212122011259. The reversal of 212122011211 is 112110221212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212122011211 - 2³ = 212122011203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122012211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280945 + ... + 6314626.

It is an arithmetic number, because the mean of its divisors is an integer number (28944624456).

Almost surely, 2^212122011211 is an apocalyptic number.

212122011211 is a deficient number, since it is larger than the sum of its proper divisors (19434984437).

212122011211 is a wasteful number, since it uses less digits than its factorization.

212122011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597113.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212122011211 its reverse (112110221212), we get a palindrome (324232232423).

The spelling of 212122011211 in words is "two hundred twelve billion, one hundred twenty-two million, eleven thousand, two hundred eleven".