11000120011121 has 4 divisors (see below), whose sum is σ = 11000531826852. Its totient is φ = 10999708195392.

The previous prime is 11000120011087. The next prime is 11000120011193. The reversal of 11000120011121 is 12111002100011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6409813761121 + 4590306250000 = 2531761^2 + 2142500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000120011121 - 2³⁴ = 10982940141937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000120011721) 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, 205867796 + ... + 205921221.

It is an arithmetic number, because the mean of its divisors is an integer number (2750132956713).

Almost surely, 2^{11000120011121} is an apocalyptic number.

It is an amenable number.

11000120011121 is a deficient number, since it is larger than the sum of its proper divisors (411815731).

11000120011121 is an equidigital number, since it uses as much as digits as its factorization.

11000120011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411815730.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11000120011121 its reverse (12111002100011), we get a palindrome (23111122111132).

The spelling of 11000120011121 in words is "eleven trillion, one hundred twenty million, eleven thousand, one hundred twenty-one".