213221203202111 has 16 divisors (see below), whose sum is σ = 235340012758368. Its totient is φ = 191923893504000.

The previous prime is 213221203202083. The next prime is 213221203202143. The reversal of 213221203202111 is 111202302122312.

213221203202111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213221203202111 - 2²² = 213221199007807 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 (213221203252111) 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, 98091965 + ... + 100242086.

It is an arithmetic number, because the mean of its divisors is an integer number (14708750797398).

Almost surely, 2^{213221203202111} is an apocalyptic number.

213221203202111 is a deficient number, since it is larger than the sum of its proper divisors (22118809556257).

213221203202111 is a wasteful number, since it uses less digits than its factorization.

213221203202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198336122.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 213221203202111 its reverse (111202302122312), we get a palindrome (324423505324423).

The spelling of 213221203202111 in words is "two hundred thirteen trillion, two hundred twenty-one billion, two hundred three million, two hundred two thousand, one hundred eleven".