1121001222112 has 12 divisors (see below), whose sum is σ = 2206971156096. Its totient is φ = 560500611040.

The previous prime is 1121001222091. The next prime is 1121001222127. The reversal of 1121001222112 is 2112221001211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17515644064 + ... + 17515644127.

It is an arithmetic number, because the mean of its divisors is an integer number (183914263008).

Almost surely, 2^{1121001222112} is an apocalyptic number.

It is an amenable number.

1121001222112 is a deficient number, since it is larger than the sum of its proper divisors (1085969933984).

1121001222112 is an equidigital number, since it uses as much as digits as its factorization.

1121001222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35031288201 (or 35031288193 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121001222112 its reverse (2112221001211), we get a palindrome (3233222223323).

The spelling of 1121001222112 in words is "one trillion, one hundred twenty-one billion, one million, two hundred twenty-two thousand, one hundred twelve".