213221212310211 has 32 divisors (see below), whose sum is σ = 329487362380800. Its totient is φ = 120123652440960.

The previous prime is 213221212310207. The next prime is 213221212310257. The reversal of 213221212310211 is 112013212122312.

It is not a de Polignac number, because 213221212310211 - 2² = 213221212310207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213221212310201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208631325 + ... + 209650833.

It is an arithmetic number, because the mean of its divisors is an integer number (10296480074400).

Almost surely, 2^{213221212310211} is an apocalyptic number.

213221212310211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213221212310211 is a deficient number, since it is larger than the sum of its proper divisors (116266150070589).

213221212310211 is a wasteful number, since it uses less digits than its factorization.

213221212310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159859.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 213221212310211 its reverse (112013212122312), we get a palindrome (325234424432523).

The spelling of 213221212310211 in words is "two hundred thirteen trillion, two hundred twenty-one billion, two hundred twelve million, three hundred ten thousand, two hundred eleven".