212213421340011 has 24 divisors (see below), whose sum is σ = 377268304605920. Its totient is φ = 111936749717376.

The previous prime is 212213421339979. The next prime is 212213421340027. The reversal of 212213421340011 is 110043124312212.

212213421340011 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 1 + 34 + 213 + 400 + 11 = 666.

It is not a de Polignac number, because 212213421340011 - 2⁵ = 212213421339979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212213420340011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129556422466 + ... + 129556424103.

Almost surely, 2^{212213421340011} is an apocalyptic number.

212213421340011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212213421340011 is a deficient number, since it is larger than the sum of its proper divisors (165054883265909).

212213421340011 is a wasteful number, since it uses less digits than its factorization.

212213421340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259112846595 (or 259112846592 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 212213421340011 its reverse (110043124312212), we get a palindrome (322256545652223).

The spelling of 212213421340011 in words is "two hundred twelve trillion, two hundred thirteen billion, four hundred twenty-one million, three hundred forty thousand, eleven".