213033221211 has 16 divisors (see below), whose sum is σ = 287366395680. Its totient is φ = 140362548480.

The previous prime is 213033221123. The next prime is 213033221221. The reversal of 213033221211 is 112122330312.

It is not a de Polignac number, because 213033221211 - 2⁷ = 213033221083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213033221221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410601 + ... + 771141.

It is an arithmetic number, because the mean of its divisors is an integer number (17960399730).

Almost surely, 2^213033221211 is an apocalyptic number.

213033221211 is a deficient number, since it is larger than the sum of its proper divisors (74333174469).

213033221211 is a wasteful number, since it uses less digits than its factorization.

213033221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362846.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213033221211 its reverse (112122330312), we get a palindrome (325155551523).

The spelling of 213033221211 in words is "two hundred thirteen billion, thirty-three million, two hundred twenty-one thousand, two hundred eleven".