1121011222112 has 24 divisors (see below), whose sum is σ = 2210222205576. Its totient is φ = 559684947712.

The previous prime is 1121011222099. The next prime is 1121011222171. The reversal of 1121011222112 is 2112221101211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25623533 + ... + 25667244.

It is an arithmetic number, because the mean of its divisors is an integer number (92092591899).

Almost surely, 2^{1121011222112} is an apocalyptic number.

It is an amenable number.

1121011222112 is a deficient number, since it is larger than the sum of its proper divisors (1089210983464).

1121011222112 is an equidigital number, since it uses as much as digits as its factorization.

1121011222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51291470 (or 51291462 counting only the distinct ones).

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

Adding to 1121011222112 its reverse (2112221101211), we get a palindrome (3233232323323).

The spelling of 1121011222112 in words is "one trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, one hundred twelve".