211232122213 has 16 divisors (see below), whose sum is σ = 246366720000. Its totient is φ = 181032670896.

The previous prime is 211232122187. The next prime is 211232122217. The reversal of 211232122213 is 312221232112.

211232122213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211232122213 - 2³⁷ = 73793168741 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 (211232122217) 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 15 ways as a sum of consecutive naturals, for example, 2937948 + ... + 3008986.

It is an arithmetic number, because the mean of its divisors is an integer number (15397920000).

Almost surely, 2^211232122213 is an apocalyptic number.

It is an amenable number.

211232122213 is a deficient number, since it is larger than the sum of its proper divisors (35134597787).

211232122213 is an frugal number, since it uses more digits than its factorization.

211232122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79729 (or 79715 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 211232122213 its reverse (312221232112), we get a palindrome (523453354325).

The spelling of 211232122213 in words is "two hundred eleven billion, two hundred thirty-two million, one hundred twenty-two thousand, two hundred thirteen".