111213243112222 has 16 divisors (see below), whose sum is σ = 172201500259200. Its totient is φ = 53812750309920.

The previous prime is 111213243112211. The next prime is 111213243112333. The reversal of 111213243112222 is 222211342312111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34878304 + ... + 37933132.

It is an arithmetic number, because the mean of its divisors is an integer number (10762593766200).

Almost surely, 2^{111213243112222} is an apocalyptic number.

111213243112222 is a deficient number, since it is larger than the sum of its proper divisors (60988257146978).

111213243112222 is a wasteful number, since it uses less digits than its factorization.

111213243112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642051.

The product of its digits is 2304, while the sum is 28.

Adding to 111213243112222 its reverse (222211342312111), we get a palindrome (333424585424333).

The spelling of 111213243112222 in words is "one hundred eleven trillion, two hundred thirteen billion, two hundred forty-three million, one hundred twelve thousand, two hundred twenty-two".