213111303123222 has 80 divisors (see below), whose sum is σ = 559056209941152. Its totient is φ = 59403847547520.

The previous prime is 213111303123211. The next prime is 213111303123241. The reversal of 213111303123222 is 222321303111312.

213111303123222 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 11 + 303 + 123 + 222 = 666.

It is a super-2 number, since 2×213111303123222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2291768613 + ... + 2291861600.

Almost surely, 2^{213111303123222} is an apocalyptic number.

213111303123222 is an abundant number, since it is smaller than the sum of its proper divisors (345944906817930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213111303123222 is a wasteful number, since it uses less digits than its factorization.

213111303123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583630275 (or 4583630266 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 213111303123222 its reverse (222321303111312), we get a palindrome (435432606234534).

The spelling of 213111303123222 in words is "two hundred thirteen trillion, one hundred eleven billion, three hundred three million, one hundred twenty-three thousand, two hundred twenty-two".