1122002011112 has 16 divisors (see below), whose sum is σ = 2138241538500. Its totient is φ = 551804267520.

The previous prime is 1122002011111. The next prime is 1122002011121. The reversal of 1122002011112 is 2111102002211.

It can be written as a sum of positive squares in 2 ways, for example, as 813326207716 + 308675803396 = 901846^2 + 555586^2 .

It is not an unprimeable number, because it can be changed into a prime (1122002011111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149591737 + ... + 1149592712.

Almost surely, 2^{1122002011112} is an apocalyptic number.

It is an amenable number.

1122002011112 is a deficient number, since it is larger than the sum of its proper divisors (1016239527388).

1122002011112 is a wasteful number, since it uses less digits than its factorization.

1122002011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299184516 (or 2299184512 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122002011112 its reverse (2111102002211), we get a palindrome (3233104013323).

The spelling of 1122002011112 in words is "one trillion, one hundred twenty-two billion, two million, eleven thousand, one hundred twelve".