1121321000112 has 40 divisors (see below), whose sum is σ = 2975036351856. Its totient is φ = 363671675136.

The previous prime is 1121321000101. The next prime is 1121321000113. The reversal of 1121321000112 is 2110001231211.

It is a junction number, because it is equal to n+sod(n) for n = 1121321000091 and 1121321000100.

It is not an unprimeable number, because it can be changed into a prime (1121321000113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 315685443 + ... + 315688994.

Almost surely, 2^{1121321000112} is an apocalyptic number.

1121321000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121321000112 is an abundant number, since it is smaller than the sum of its proper divisors (1853715351744).

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

1121321000112 is a wasteful number, since it uses less digits than its factorization.

1121321000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631374485 (or 631374479 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121321000112 its reverse (2110001231211), we get a palindrome (3231322231323).

The spelling of 1121321000112 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, one hundred twelve", and thus it is an aban number.