11230120121 has 16 divisors (see below), whose sum is σ = 12498969600. Its totient is φ = 10003712400.

The previous prime is 11230120103. The next prime is 11230120133. The reversal of 11230120121 is 12102103211.

11230120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11230120121 - 2²² = 11225925817 is a prime.

It is a super-2 number, since 2×11230120121² (a number of 21 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 = 11230120096 and 11230120105.

It is not an unprimeable number, because it can be changed into a prime (11230120721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174020 + ... + 229658.

It is an arithmetic number, because the mean of its divisors is an integer number (781185600).

Almost surely, 2^11230120121 is an apocalyptic number.

11230120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11230120121 is a deficient number, since it is larger than the sum of its proper divisors (1268849479).

11230120121 is a wasteful number, since it uses less digits than its factorization.

11230120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56020.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11230120121 its reverse (12102103211), we get a palindrome (23332223332).

The spelling of 11230120121 in words is "eleven billion, two hundred thirty million, one hundred twenty thousand, one hundred twenty-one".