1112121112001 has 8 divisors (see below), whose sum is σ = 1112889564000. Its totient is φ = 1111352901120.

The previous prime is 1112121111953. The next prime is 1112121112043. The reversal of 1112121112001 is 1002111212111.

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-1112121112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112121112301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707150 + ... + 9821048.

It is an arithmetic number, because the mean of its divisors is an integer number (139111195500).

Almost surely, 2^{1112121112001} is an apocalyptic number.

It is an amenable number.

1112121112001 is a deficient number, since it is larger than the sum of its proper divisors (768451999).

1112121112001 is a wasteful number, since it uses less digits than its factorization.

1112121112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120559.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1112121112001 its reverse (1002111212111), we get a palindrome (2114232324112).

The spelling of 1112121112001 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twelve thousand, one".