11101001200123 has 2 divisors, whose sum is σ = 11101001200124. Its totient is φ = 11101001200122.

The previous prime is 11101001200039. The next prime is 11101001200181. The reversal of 11101001200123 is 32100210010111.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32100210010111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101001200123 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101001206123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500600061 + 5550500600062.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500600062).

Almost surely, 2^{11101001200123} is an apocalyptic number.

11101001200123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001200123 is an equidigital number, since it uses as much as digits as its factorization.

11101001200123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11101001200123 its reverse (32100210010111), we get a palindrome (43201211210234).

The spelling of 11101001200123 in words is "eleven trillion, one hundred one billion, one million, two hundred thousand, one hundred twenty-three".