11120120011021 has 16 divisors (see below), whose sum is σ = 13109839864960. Its totient is φ = 9235347295680.

The previous prime is 11120120010943. The next prime is 11120120011093. The reversal of 11120120011021 is 12011002102111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11120120011021 - 2⁹ = 11120120010509 is a prime.

It is a super-2 number, since 2×11120120011021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120120010992 and 11120120011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120120015021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194317926 + ... + 194375143.

It is an arithmetic number, because the mean of its divisors is an integer number (819364991560).

Almost surely, 2^{11120120011021} is an apocalyptic number.

It is an amenable number.

11120120011021 is a deficient number, since it is larger than the sum of its proper divisors (1989719853939).

11120120011021 is an equidigital number, since it uses as much as digits as its factorization.

11120120011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388693204.

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

Adding to 11120120011021 its reverse (12011002102111), we get a palindrome (23131122113132).

The spelling of 11120120011021 in words is "eleven trillion, one hundred twenty billion, one hundred twenty million, eleven thousand, twenty-one".