213213101113111 has 8 divisors (see below), whose sum is σ = 232624893487248. Its totient is φ = 193806105936000.

The previous prime is 213213101113109. The next prime is 213213101113127. The reversal of 213213101113111 is 111311101312312.

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 not a de Polignac number, because 213213101113111 - 2¹ = 213213101113109 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 (213213101117111) 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, 1199206320 + ... + 1199384101.

It is an arithmetic number, because the mean of its divisors is an integer number (29078111685906).

Almost surely, 2^{213213101113111} is an apocalyptic number.

213213101113111 is a deficient number, since it is larger than the sum of its proper divisors (19411792374137).

213213101113111 is a wasteful number, since it uses less digits than its factorization.

213213101113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398598513.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 213213101113111 its reverse (111311101312312), we get a palindrome (324524202425423).

The spelling of 213213101113111 in words is "two hundred thirteen trillion, two hundred thirteen billion, one hundred one million, one hundred thirteen thousand, one hundred eleven".