1112112001 has 32 divisors (see below), whose sum is σ = 1581043968. Its totient is φ = 752855040.

The previous prime is 1112111983. The next prime is 1112112007. The reversal of 1112112001 is 1002112111.

It is not a de Polignac number, because 1112112001 - 2⁵ = 1112111969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112112007) 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 31 ways as a sum of consecutive naturals, for example, 15660 + ... + 49693.

It is an arithmetic number, because the mean of its divisors is an integer number (49407624).

Almost surely, 2^1112112001 is an apocalyptic number.

1112112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112112001 is a deficient number, since it is larger than the sum of its proper divisors (468931967).

1112112001 is a wasteful number, since it uses less digits than its factorization.

1112112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65401.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1112112001 is about 33348.3433021792. The cubic root of 1112112001 is about 1036.0550750748.

Adding to 1112112001 its reverse (1002112111), we get a palindrome (2114224112).

It can be divided in two parts, 111 and 2112001, that added together give a palindrome (2112112).

The spelling of 1112112001 in words is "one billion, one hundred twelve million, one hundred twelve thousand, one".