213223031311222 has 32 divisors (see below), whose sum is σ = 331873066543104. Its totient is φ = 102634570022400.

The previous prime is 213223031311163. The next prime is 213223031311247. The reversal of 213223031311222 is 222113130322312.

213223031311222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213223031311222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395697663 + ... + 396236149.

It is an arithmetic number, because the mean of its divisors is an integer number (10371033329472).

Almost surely, 2^{213223031311222} is an apocalyptic number.

213223031311222 is a deficient number, since it is larger than the sum of its proper divisors (118650035231882).

213223031311222 is a wasteful number, since it uses less digits than its factorization.

213223031311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571804.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 213223031311222 its reverse (222113130322312), we get a palindrome (435336161633534).

The spelling of 213223031311222 in words is "two hundred thirteen trillion, two hundred twenty-three billion, thirty-one million, three hundred eleven thousand, two hundred twenty-two".