113111012033 has 4 divisors (see below), whose sum is σ = 113373451008. Its totient is φ = 112848573060.

The previous prime is 113111012009. The next prime is 113111012039. The reversal of 113111012033 is 330210111311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330210111311 = 37 ⋅8924597603.

It is a cyclic number.

It is not a de Polignac number, because 113111012033 - 2¹² = 113111007937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113111012039) 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, 131218841 + ... + 131219702.

It is an arithmetic number, because the mean of its divisors is an integer number (28343362752).

Almost surely, 2^113111012033 is an apocalyptic number.

It is an amenable number.

113111012033 is a deficient number, since it is larger than the sum of its proper divisors (262438975).

113111012033 is an equidigital number, since it uses as much as digits as its factorization.

113111012033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262438974.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113111012033 its reverse (330210111311), we get a palindrome (443321123344).

The spelling of 113111012033 in words is "one hundred thirteen billion, one hundred eleven million, twelve thousand, thirty-three".