11120212122011 has 4 divisors (see below), whose sum is σ = 11120308582224. Its totient is φ = 11120115661800.

The previous prime is 11120212122007. The next prime is 11120212122037. The reversal of 11120212122011 is 11022121202111.

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 11120212122011 - 2² = 11120212122007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120212172011) 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, 48056975 + ... + 48287816.

It is an arithmetic number, because the mean of its divisors is an integer number (2780077145556).

Almost surely, 2^{11120212122011} is an apocalyptic number.

11120212122011 is a deficient number, since it is larger than the sum of its proper divisors (96460213).

11120212122011 is an equidigital number, since it uses as much as digits as its factorization.

11120212122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96460212.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11120212122011 its reverse (11022121202111), we get a palindrome (22142333324122).

The spelling of 11120212122011 in words is "eleven trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, eleven".