213122042223 has 16 divisors (see below), whose sum is σ = 303799332096. Its totient is φ = 132425343360.

The previous prime is 213122042207. The next prime is 213122042233. The reversal of 213122042223 is 322240221312.

213122042223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213122042223 - 2⁴ = 213122042207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213122042193 and 213122042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122042233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20280493 + ... + 20290998.

It is an arithmetic number, because the mean of its divisors is an integer number (18987458256).

Almost surely, 2^213122042223 is an apocalyptic number.

213122042223 is a deficient number, since it is larger than the sum of its proper divisors (90677289873).

213122042223 is a wasteful number, since it uses less digits than its factorization.

213122042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40571614.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213122042223 its reverse (322240221312), we get a palindrome (535362263535).

The spelling of 213122042223 in words is "two hundred thirteen billion, one hundred twenty-two million, forty-two thousand, two hundred twenty-three".