1122011221112 has 48 divisors (see below), whose sum is σ = 2148752549160. Its totient is φ = 549239144256.

The previous prime is 1122011221061. The next prime is 1122011221141. The reversal of 1122011221112 is 2111221102211.

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 11 ways as a sum of consecutive naturals, for example, 5757818 + ... + 5949494.

Almost surely, 2^{1122011221112} is an apocalyptic number.

It is an amenable number.

1122011221112 is a deficient number, since it is larger than the sum of its proper divisors (1026741328048).

1122011221112 is a wasteful number, since it uses less digits than its factorization.

1122011221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191980 (or 191909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1122011221112 its reverse (2111221102211), we get a palindrome (3233232323323).

The spelling of 1122011221112 in words is "one trillion, one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, one hundred twelve".