113121243033 has 4 divisors (see below), whose sum is σ = 150828324048. Its totient is φ = 75414162020.

The previous prime is 113121243019. The next prime is 113121243049. The reversal of 113121243033 is 330342121311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113121243033 - 2⁴ = 113121243017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113121242994 and 113121243012.

It is not an unprimeable number, because it can be changed into a prime (113121243013) 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, 18853540503 + ... + 18853540508.

It is an arithmetic number, because the mean of its divisors is an integer number (37707081012).

Almost surely, 2^113121243033 is an apocalyptic number.

It is an amenable number.

113121243033 is a deficient number, since it is larger than the sum of its proper divisors (37707081015).

113121243033 is an equidigital number, since it uses as much as digits as its factorization.

113121243033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37707081014.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 113121243033 its reverse (330342121311), we get a palindrome (443463364344).

The spelling of 113121243033 in words is "one hundred thirteen billion, one hundred twenty-one million, two hundred forty-three thousand, thirty-three".