1121000011121 has 8 divisors (see below), whose sum is σ = 1145086481664. Its totient is φ = 1097144033440.

The previous prime is 1121000011067. The next prime is 1121000011133. The reversal of 1121000011121 is 1211100001211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121000011121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121000011141) 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, 57613385 + ... + 57632838.

It is an arithmetic number, because the mean of its divisors is an integer number (143135810208).

Almost surely, 2^{1121000011121} is an apocalyptic number.

It is an amenable number.

1121000011121 is a deficient number, since it is larger than the sum of its proper divisors (24086470543).

1121000011121 is a wasteful number, since it uses less digits than its factorization.

1121000011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115246431.

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

Adding to 1121000011121 its reverse (1211100001211), we get a palindrome (2332100012332).

The spelling of 1121000011121 in words is "one trillion, one hundred twenty-one billion, eleven thousand, one hundred twenty-one".