1112002122121 has 8 divisors (see below), whose sum is σ = 1214267576544. Its totient is φ = 1009932393120.

The previous prime is 1112002122109. The next prime is 1112002122137. The reversal of 1112002122121 is 1212212002111.

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 1112002122121 - 2¹⁷ = 1112001991049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112002122095 and 1112002122104.

It is not an unprimeable number, because it can be changed into a prime (1112002122421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48919471 + ... + 48942196.

It is an arithmetic number, because the mean of its divisors is an integer number (151783447068).

Almost surely, 2^{1112002122121} is an apocalyptic number.

1112002122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112002122121 is a deficient number, since it is larger than the sum of its proper divisors (102265454423).

1112002122121 is a wasteful number, since it uses less digits than its factorization.

1112002122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97862711.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112002122121 its reverse (1212212002111), we get a palindrome (2324214124232).

The spelling of 1112002122121 in words is "one trillion, one hundred twelve billion, two million, one hundred twenty-two thousand, one hundred twenty-one".