11020130121 has 64 divisors (see below), whose sum is σ = 19811506176. Its totient is φ = 5262105600.

The previous prime is 11020130119. The next prime is 11020130129. The reversal of 11020130121 is 12103102011.

11020130121 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 11020130121 - 2¹ = 11020130119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020130097 and 11020130106.

It is not an unprimeable number, because it can be changed into a prime (11020130129) 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 63 ways as a sum of consecutive naturals, for example, 716110 + ... + 731336.

It is an arithmetic number, because the mean of its divisors is an integer number (309554784).

Almost surely, 2^11020130121 is an apocalyptic number.

11020130121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020130121 is a deficient number, since it is larger than the sum of its proper divisors (8791376055).

11020130121 is a wasteful number, since it uses less digits than its factorization.

11020130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15502.

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

Adding to 11020130121 its reverse (12103102011), we get a palindrome (23123232132).

It can be divided in two parts, 11020 and 130121, that added together give a palindrome (141141).

The spelling of 11020130121 in words is "eleven billion, twenty million, one hundred thirty thousand, one hundred twenty-one".