212202211211 has 8 divisors (see below), whose sum is σ = 212343586560. Its totient is φ = 212060884672.

The previous prime is 212202211163. The next prime is 212202211217. The reversal of 212202211211 is 112112202212.

212202211211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212202211211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212202211211.

It is not an unprimeable number, because it can be changed into a prime (212202211217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12696086 + ... + 12712788.

It is an arithmetic number, because the mean of its divisors is an integer number (26542948320).

Almost surely, 2^212202211211 is an apocalyptic number.

212202211211 is a deficient number, since it is larger than the sum of its proper divisors (141375349).

212202211211 is a wasteful number, since it uses less digits than its factorization.

212202211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24405.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212202211211 its reverse (112112202212), we get a palindrome (324314413423).

The spelling of 212202211211 in words is "two hundred twelve billion, two hundred two million, two hundred eleven thousand, two hundred eleven".