1121002112001 has 8 divisors (see below), whose sum is σ = 1494760173120. Its totient is φ = 747289396112.

The previous prime is 1121002111991. The next prime is 1121002112033. The reversal of 1121002112001 is 1002112001211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121002112001 - 2⁵ = 1121002111969 is a prime.

It is a super-2 number, since 2×1121002112001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121002112051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11278581 + ... + 11377538.

It is an arithmetic number, because the mean of its divisors is an integer number (186845021640).

Almost surely, 2^{1121002112001} is an apocalyptic number.

It is an amenable number.

1121002112001 is a deficient number, since it is larger than the sum of its proper divisors (373758061119).

1121002112001 is a wasteful number, since it uses less digits than its factorization.

1121002112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22672615.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121002112001 its reverse (1002112001211), we get a palindrome (2123114113212).

The spelling of 1121002112001 in words is "one trillion, one hundred twenty-one billion, two million, one hundred twelve thousand, one".