113100022001 has 4 divisors (see below), whose sum is σ = 113202006900. Its totient is φ = 112998037104.

The previous prime is 113100021949. The next prime is 113100022027. The reversal of 113100022001 is 100220001311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100220001311 = 2731 ⋅36697181.

It can be written as a sum of positive squares in 2 ways, for example, as 36404258401 + 76695763600 = 190799^2 + 276940^2 .

It is a cyclic number.

It is not a de Polignac number, because 113100022001 - 2¹⁴ = 113100005617 is a prime.

It is a super-2 number, since 2×113100022001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113100022051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50990786 + ... + 50993003.

It is an arithmetic number, because the mean of its divisors is an integer number (28300501725).

Almost surely, 2^113100022001 is an apocalyptic number.

It is an amenable number.

113100022001 is a deficient number, since it is larger than the sum of its proper divisors (101984899).

113100022001 is a wasteful number, since it uses less digits than its factorization.

113100022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101984898.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 113100022001 its reverse (100220001311), we get a palindrome (213320023312).

The spelling of 113100022001 in words is "one hundred thirteen billion, one hundred million, twenty-two thousand, one".