1110120121012 has 12 divisors (see below), whose sum is σ = 2220240242080. Its totient is φ = 475765766136.

The previous prime is 1110120120919. The next prime is 1110120121111. The reversal of 1110120121012 is 2101210210111.

It is a happy number.

1110120121012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1110120120983 and 1110120121001.

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, 19823573562 + ... + 19823573617.

Almost surely, 2^{1110120121012} is an apocalyptic number.

It is an amenable number.

1110120121012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1110120121012 is a wasteful number, since it uses less digits than its factorization.

1110120121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39647147190 (or 39647147188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110120121012 its reverse (2101210210111), we get a palindrome (3211330331123).

The spelling of 1110120121012 in words is "one trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, twelve".