213505622211 has 32 divisors (see below), whose sum is σ = 334494259200. Its totient is φ = 118605926016.

The previous prime is 213505622179. The next prime is 213505622219. The reversal of 213505622211 is 112226505312.

213505622211 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 213505622211 - 2⁵ = 213505622179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213505622219) 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 31 ways as a sum of consecutive naturals, for example, 578836 + ... + 872961.

It is an arithmetic number, because the mean of its divisors is an integer number (10452945600).

Almost surely, 2^213505622211 is an apocalyptic number.

213505622211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213505622211 is a deficient number, since it is larger than the sum of its proper divisors (120988636989).

213505622211 is a wasteful number, since it uses less digits than its factorization.

213505622211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452003.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 213505622211 in words is "two hundred thirteen billion, five hundred five million, six hundred twenty-two thousand, two hundred eleven".