1000121011112 has 16 divisors (see below), whose sum is σ = 1875281954100. Its totient is φ = 500045823360.

The previous prime is 1000121011063. The next prime is 1000121011147. The reversal of 1000121011112 is 2111101210001.

It can be written as a sum of positive squares in 2 ways, for example, as 1000092002116 + 29008996 = 1000046^2 + 5386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000121011093 and 1000121011102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543037 + ... + 2093132.

Almost surely, 2^{1000121011112} is an apocalyptic number.

It is an amenable number.

1000121011112 is a deficient number, since it is larger than the sum of its proper divisors (875160942988).

1000121011112 is a wasteful number, since it uses less digits than its factorization.

1000121011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670556 (or 3670552 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1000121011112 its reverse (2111101210001), we get a palindrome (3111222221113).

The spelling of 1000121011112 in words is "one trillion, one hundred twenty-one million, eleven thousand, one hundred twelve".