1111101221122 has 16 divisors (see below), whose sum is σ = 1755868600800. Its totient is φ = 525861629280.

The previous prime is 1111101221059. The next prime is 1111101221149. The reversal of 1111101221122 is 2211221011111.

It is a junction number, because it is equal to n+sod(n) for n = 1111101221096 and 1111101221105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12440347 + ... + 12529342.

It is an arithmetic number, because the mean of its divisors is an integer number (109741787550).

Almost surely, 2^{1111101221122} is an apocalyptic number.

1111101221122 is a deficient number, since it is larger than the sum of its proper divisors (644767379678).

1111101221122 is a wasteful number, since it uses less digits than its factorization.

1111101221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24970881.

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

Adding to 1111101221122 its reverse (2211221011111), we get a palindrome (3322322232233).

The spelling of 1111101221122 in words is "one trillion, one hundred eleven billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".