213130222111 has 4 divisors (see below), whose sum is σ = 213249758512. Its totient is φ = 213010685712.

The previous prime is 213130222093. The next prime is 213130222121. The reversal of 213130222111 is 111222031312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213130222111 - 2¹⁷ = 213130091039 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 (213130222121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59765526 + ... + 59769091.

It is an arithmetic number, because the mean of its divisors is an integer number (53312439628).

Almost surely, 2^213130222111 is an apocalyptic number.

213130222111 is a deficient number, since it is larger than the sum of its proper divisors (119536401).

213130222111 is a wasteful number, since it uses less digits than its factorization.

213130222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119536400.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213130222111 its reverse (111222031312), we get a palindrome (324352253423).

The spelling of 213130222111 in words is "two hundred thirteen billion, one hundred thirty million, two hundred twenty-two thousand, one hundred eleven".