1100111112222 has 64 divisors (see below), whose sum is σ = 2384735696640. Its totient is φ = 336977754624.

The previous prime is 1100111112209. The next prime is 1100111112241. The reversal of 1100111112222 is 2222111110011.

It is a happy number.

It is a super-3 number, since 3×1100111112222³ (a number of 37 digits) contains 333 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11764929 + ... + 11858067.

It is an arithmetic number, because the mean of its divisors is an integer number (37261495260).

Almost surely, 2^{1100111112222} is an apocalyptic number.

1100111112222 is an abundant number, since it is smaller than the sum of its proper divisors (1284624584418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100111112222 is a wasteful number, since it uses less digits than its factorization.

1100111112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95897.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1100111112222 its reverse (2222111110011), we get a palindrome (3322222222233).

The spelling of 1100111112222 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-two".