113123012202011 has 4 divisors (see below), whose sum is σ = 129283442516592. Its totient is φ = 96962581887432.

The previous prime is 113123012201999. The next prime is 113123012202019. The reversal of 113123012202011 is 110202210321311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113123012202011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113123012202019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8080215157280 + ... + 8080215157293.

It is an arithmetic number, because the mean of its divisors is an integer number (32320860629148).

Almost surely, 2^{113123012202011} is an apocalyptic number.

113123012202011 is a deficient number, since it is larger than the sum of its proper divisors (16160430314581).

113123012202011 is an equidigital number, since it uses as much as digits as its factorization.

113123012202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16160430314580.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 113123012202011 its reverse (110202210321311), we get a palindrome (223325222523322).

The spelling of 113123012202011 in words is "one hundred thirteen trillion, one hundred twenty-three billion, twelve million, two hundred two thousand, eleven".