1100122222112 has 12 divisors (see below), whose sum is σ = 2165865624846. Its totient is φ = 550061111040.

The previous prime is 1100122222051. The next prime is 1100122222117. The reversal of 1100122222112 is 2112222210011.

It can be written as a sum of positive squares in only one way, i.e., 1034297136016 + 65825086096 = 1017004^2 + 256564^2 .

It is not an unprimeable number, because it can be changed into a prime (1100122222117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17189409689 + ... + 17189409752.

Almost surely, 2^{1100122222112} is an apocalyptic number.

It is an amenable number.

1100122222112 is a deficient number, since it is larger than the sum of its proper divisors (1065743402734).

1100122222112 is an equidigital number, since it uses as much as digits as its factorization.

1100122222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34378819451 (or 34378819443 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1100122222112 its reverse (2112222210011), we get a palindrome (3212344432123).

The spelling of 1100122222112 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".