11310330121 has 4 divisors (see below), whose sum is σ = 11410421652. Its totient is φ = 11210238592.

The previous prime is 11310330091. The next prime is 11310330133. The reversal of 11310330121 is 12103301311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12103301311 = 41 ⋅295202471.

It can be written as a sum of positive squares in 2 ways, for example, as 242238096 + 11068092025 = 15564^2 + 105205^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310330121 - 2²⁷ = 11176112393 is a prime.

It is a super-3 number, since 3×11310330121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11310330095 and 11310330104.

It is not an unprimeable number, because it can be changed into a prime (11310334121) 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, 50045596 + ... + 50045821.

It is an arithmetic number, because the mean of its divisors is an integer number (2852605413).

Almost surely, 2^11310330121 is an apocalyptic number.

It is an amenable number.

11310330121 is a deficient number, since it is larger than the sum of its proper divisors (100091531).

11310330121 is a wasteful number, since it uses less digits than its factorization.

11310330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100091530.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11310330121 its reverse (12103301311), we get a palindrome (23413631432).

The spelling of 11310330121 in words is "eleven billion, three hundred ten million, three hundred thirty thousand, one hundred twenty-one".