111000011221222 has 16 divisors (see below), whose sum is σ = 169231366918944. Its totient is φ = 54589575384000.

The previous prime is 111000011221199. The next prime is 111000011221241. The reversal of 111000011221222 is 222122110000111.

It is a super-2 number, since 2×111000011221222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111000011221196 and 111000011221205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6412647 + ... + 16221037.

It is an arithmetic number, because the mean of its divisors is an integer number (10576960432434).

Almost surely, 2^{111000011221222} is an apocalyptic number.

111000011221222 is a deficient number, since it is larger than the sum of its proper divisors (58231355697722).

111000011221222 is an equidigital number, since it uses as much as digits as its factorization.

111000011221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901215.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111000011221222 its reverse (222122110000111), we get a palindrome (333122121221333).

The spelling of 111000011221222 in words is "one hundred eleven trillion, eleven million, two hundred twenty-one thousand, two hundred twenty-two".