11200220320123 has 4 divisors (see below), whose sum is σ = 11859056809560. Its totient is φ = 10541383830688.

The previous prime is 11200220320073. The next prime is 11200220320147. The reversal of 11200220320123 is 32102302200211.

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-11200220320123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11200220320123.

It is not an unprimeable number, because it can be changed into a prime (11200220320823) 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, 329418244693 + ... + 329418244726.

It is an arithmetic number, because the mean of its divisors is an integer number (2964764202390).

Almost surely, 2^{11200220320123} is an apocalyptic number.

11200220320123 is a deficient number, since it is larger than the sum of its proper divisors (658836489437).

11200220320123 is an equidigital number, since it uses as much as digits as its factorization.

11200220320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658836489436.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11200220320123 its reverse (32102302200211), we get a palindrome (43302522520334).

The spelling of 11200220320123 in words is "eleven trillion, two hundred billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty-three".