213112220223 has 8 divisors (see below), whose sum is σ = 324742430848. Its totient is φ = 121778411544.

The previous prime is 213112220197. The next prime is 213112220227. The reversal of 213112220223 is 322022211312.

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

It is not a de Polignac number, because 213112220223 - 2¹⁶ = 213112154687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10148200963 = 213112220223 / (2 + 1 + 3 + 1 + 1 + 2 + 2 + 2 + 0 + 2 + 2 + 3).

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 213112220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112220227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074100461 + ... + 5074100502.

It is an arithmetic number, because the mean of its divisors is an integer number (40592803856).

Almost surely, 2^213112220223 is an apocalyptic number.

213112220223 is a deficient number, since it is larger than the sum of its proper divisors (111630210625).

213112220223 is a wasteful number, since it uses less digits than its factorization.

213112220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148200973.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213112220223 its reverse (322022211312), we get a palindrome (535134431535).

The spelling of 213112220223 in words is "two hundred thirteen billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-three".