11011130121 has 16 divisors (see below), whose sum is σ = 14772289536. Its totient is φ = 7295500176.

The previous prime is 11011130051. The next prime is 11011130167. The reversal of 11011130121 is 12103111011.

It is not a de Polignac number, because 11011130121 - 2⁹ = 11011129609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011130097 and 11011130106.

It is not an unprimeable number, because it can be changed into a prime (11011130171) 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, 308236 + ... + 342098.

It is an arithmetic number, because the mean of its divisors is an integer number (923268096).

Almost surely, 2^11011130121 is an apocalyptic number.

It is an amenable number.

11011130121 is a deficient number, since it is larger than the sum of its proper divisors (3761159415).

11011130121 is a wasteful number, since it uses less digits than its factorization.

11011130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34532.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11011130121 its reverse (12103111011), we get a palindrome (23114241132).

The spelling of 11011130121 in words is "eleven billion, eleven million, one hundred thirty thousand, one hundred twenty-one".