1121000122112 has 72 divisors (see below), whose sum is σ = 2514517795104. Its totient is φ = 494889652224.

The previous prime is 1121000122063. The next prime is 1121000122147. The reversal of 1121000122112 is 2112210001211.

It is a super-2 number, since 2×1121000122112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7246043 + ... + 7399130.

Almost surely, 2^{1121000122112} is an apocalyptic number.

It is an amenable number.

1121000122112 is an abundant number, since it is smaller than the sum of its proper divisors (1393517672992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121000122112 is a wasteful number, since it uses less digits than its factorization.

1121000122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645225 (or 14645211 counting only the distinct ones).

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

Adding to 1121000122112 its reverse (2112210001211), we get a palindrome (3233210123323).

The spelling of 1121000122112 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two thousand, one hundred twelve".