1112001112001 has 4 divisors (see below), whose sum is σ = 1197539659092. Its totient is φ = 1026462564912.

The previous prime is 1112001111983. The next prime is 1112001112069. The reversal of 1112001112001 is 1002111002111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 308380302400 + 803620809601 = 555320^2 + 896449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112001112001 - 2¹⁴ = 1112001095617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112001112301) 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 3 ways as a sum of consecutive naturals, for example, 42769273526 + ... + 42769273551.

It is an arithmetic number, because the mean of its divisors is an integer number (299384914773).

Almost surely, 2^{1112001112001} is an apocalyptic number.

It is an amenable number.

1112001112001 is a deficient number, since it is larger than the sum of its proper divisors (85538547091).

1112001112001 is an equidigital number, since it uses as much as digits as its factorization.

1112001112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85538547090.

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

Adding to 1112001112001 its reverse (1002111002111), we get a palindrome (2114112114112).

The spelling of 1112001112001 in words is "one trillion, one hundred twelve billion, one million, one hundred twelve thousand, one".