11000120122111 has 4 divisors (see below), whose sum is σ = 11000616606792. Its totient is φ = 10999623637432.

The previous prime is 11000120122001. The next prime is 11000120122181. The reversal of 11000120122111 is 11122102100011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11000120122111 - 2⁷ = 11000120121983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000120122091 and 11000120122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000120122181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248209105 + ... + 248253418.

It is an arithmetic number, because the mean of its divisors is an integer number (2750154151698).

Almost surely, 2^{11000120122111} is an apocalyptic number.

11000120122111 is a deficient number, since it is larger than the sum of its proper divisors (496484681).

11000120122111 is an equidigital number, since it uses as much as digits as its factorization.

11000120122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496484680.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11000120122111 its reverse (11122102100011), we get a palindrome (22122222222122).

The spelling of 11000120122111 in words is "eleven trillion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".