111222213332 has 12 divisors (see below), whose sum is σ = 196645460340. Its totient is φ = 55037796096.

The previous prime is 111222213287. The next prime is 111222213359. The reversal of 111222213332 is 233312222111.

It can be written as a sum of positive squares in 2 ways, for example, as 34523126416 + 76699086916 = 185804^2 + 276946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111222213298 and 111222213307.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 143327207 + ... + 143327982.

It is an arithmetic number, because the mean of its divisors is an integer number (16387121695).

Almost surely, 2^111222213332 is an apocalyptic number.

It is an amenable number.

111222213332 is a deficient number, since it is larger than the sum of its proper divisors (85423247008).

111222213332 is a wasteful number, since it uses less digits than its factorization.

111222213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286655290 (or 286655288 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 111222213332 its reverse (233312222111), we get a palindrome (344534435443).

The spelling of 111222213332 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred thirteen thousand, three hundred thirty-two".