213110222111 has 8 divisors (see below), whose sum is σ = 222180734160. Its totient is φ = 204226731072.

The previous prime is 213110222051. The next prime is 213110222137. The reversal of 213110222111 is 111222011312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213110222111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213110222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110222011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46752926 + ... + 46757483.

It is an arithmetic number, because the mean of its divisors is an integer number (27772591770).

Almost surely, 2^213110222111 is an apocalyptic number.

213110222111 is a deficient number, since it is larger than the sum of its proper divisors (9070512049).

213110222111 is an equidigital number, since it uses as much as digits as its factorization.

213110222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93510505.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 213110222111 its reverse (111222011312), we get a palindrome (324332233423).

The spelling of 213110222111 in words is "two hundred thirteen billion, one hundred ten million, two hundred twenty-two thousand, one hundred eleven".