112210100001001 has 4 divisors (see below), whose sum is σ = 112245067314900. Its totient is φ = 112175132687104.

The previous prime is 112210100000987. The next prime is 112210100001011. The reversal of 112210100001001 is 100100001012211.

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 88760874847401 + 23449225153600 = 9421299^2 + 4842440^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210100001001 - 2⁵ = 112210100000969 is a prime.

It is a super-2 number, since 2×112210100001001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112210100001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17483652136 + ... + 17483658553.

It is an arithmetic number, because the mean of its divisors is an integer number (28061266828725).

Almost surely, 2^{112210100001001} is an apocalyptic number.

It is an amenable number.

112210100001001 is a deficient number, since it is larger than the sum of its proper divisors (34967313899).

112210100001001 is an equidigital number, since it uses as much as digits as its factorization.

112210100001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34967313898.

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

Adding to 112210100001001 its reverse (100100001012211), we get a palindrome (212310101013212).

The spelling of 112210100001001 in words is "one hundred twelve trillion, two hundred ten billion, one hundred million, one thousand, one".