11210120101121 has 4 divisors (see below), whose sum is σ = 11210469695700. Its totient is φ = 11209770506544.

The previous prime is 11210120101091. The next prime is 11210120101129. The reversal of 11210120101121 is 12110102101211.

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 5464817913025 + 5745302188096 = 2337695^2 + 2396936^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210120101121 - 2¹⁸ = 11210119838977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210120101096 and 11210120101105.

It is not an unprimeable number, because it can be changed into a prime (11210120101129) 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, 174749186 + ... + 174813323.

It is an arithmetic number, because the mean of its divisors is an integer number (2802617423925).

Almost surely, 2^{11210120101121} is an apocalyptic number.

It is an amenable number.

11210120101121 is a deficient number, since it is larger than the sum of its proper divisors (349594579).

11210120101121 is an equidigital number, since it uses as much as digits as its factorization.

11210120101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349594578.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11210120101121 its reverse (12110102101211), we get a palindrome (23320222202332).

The spelling of 11210120101121 in words is "eleven trillion, two hundred ten billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".