111222022211222 has 8 divisors (see below), whose sum is σ = 179666343572016. Its totient is φ = 51333241020552.

The previous prime is 111222022211221. The next prime is 111222022211231. The reversal of 111222022211222 is 222112220222111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222022211221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138885042498 + ... + 2138885042549.

It is an arithmetic number, because the mean of its divisors is an integer number (22458292946502).

Almost surely, 2^{111222022211222} is an apocalyptic number.

111222022211222 is a deficient number, since it is larger than the sum of its proper divisors (68444321360794).

111222022211222 is a wasteful number, since it uses less digits than its factorization.

111222022211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277770085062.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 111222022211222 its reverse (222112220222111), we get a palindrome (333334242433333).

The spelling of 111222022211222 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, two hundred twenty-two".