112001121001 has 16 divisors (see below), whose sum is σ = 139960291968. Its totient is φ = 87072019200.

The previous prime is 112001120989. The next prime is 112001121049. The reversal of 112001121001 is 100121100211.

It is a cyclic number.

It is not a de Polignac number, because 112001121001 - 2⁹ = 112001120489 is a prime.

It is a super-2 number, since 2×112001121001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112001121061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646290 + ... + 1712971.

It is an arithmetic number, because the mean of its divisors is an integer number (8747518248).

Almost surely, 2^112001121001 is an apocalyptic number.

112001121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112001121001 is a deficient number, since it is larger than the sum of its proper divisors (27959170967).

112001121001 is a wasteful number, since it uses less digits than its factorization.

112001121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359712.

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

Adding to 112001121001 its reverse (100121100211), we get a palindrome (212122221212).

The spelling of 112001121001 in words is "one hundred twelve billion, one million, one hundred twenty-one thousand, one".