1121021001112 has 8 divisors (see below), whose sum is σ = 2101914377100. Its totient is φ = 560510500552.

The previous prime is 1121021001073. The next prime is 1121021001151. The reversal of 1121021001112 is 2111001201211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121021001073) and next prime (1121021001151).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1121021001092 and 1121021001101.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 70063812562 + ... + 70063812577.

Almost surely, 2^{1121021001112} is an apocalyptic number.

It is an amenable number.

1121021001112 is a deficient number, since it is larger than the sum of its proper divisors (980893375988).

1121021001112 is a wasteful number, since it uses less digits than its factorization.

1121021001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140127625145 (or 140127625141 counting only the distinct ones).

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

Adding to 1121021001112 its reverse (2111001201211), we get a palindrome (3232022202323).

The spelling of 1121021001112 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one thousand, one hundred twelve".