111101112212222 has 64 divisors (see below), whose sum is σ = 193092186147840. Its totient is φ = 47412246067200.

The previous prime is 111101112212191. The next prime is 111101112212231. The reversal of 111101112212222 is 222212211101111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111101112212194 and 111101112212203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328626923 + ... + 328964825.

It is an arithmetic number, because the mean of its divisors is an integer number (3017065408560).

Almost surely, 2^{111101112212222} is an apocalyptic number.

111101112212222 is a deficient number, since it is larger than the sum of its proper divisors (81991073935618).

111101112212222 is a wasteful number, since it uses less digits than its factorization.

111101112212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345009.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111101112212222 its reverse (222212211101111), we get a palindrome (333313323313333).

The spelling of 111101112212222 in words is "one hundred eleven trillion, one hundred one billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-two".