11501352121 has 16 divisors (see below), whose sum is σ = 13626887040. Its totient is φ = 9497900160.

The previous prime is 11501352097. The next prime is 11501352127. The reversal of 11501352121 is 12125310511.

11501352121 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 11501352121 - 2⁷ = 11501351993 is a prime.

It is a super-2 number, since 2×11501352121² (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 = 11501352092 and 11501352101.

It is not an unprimeable number, because it can be changed into a prime (11501352127) 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, 34141 + ... + 155461.

It is an arithmetic number, because the mean of its divisors is an integer number (851680440).

Almost surely, 2^11501352121 is an apocalyptic number.

It is an amenable number.

11501352121 is a deficient number, since it is larger than the sum of its proper divisors (2125534919).

11501352121 is a wasteful number, since it uses less digits than its factorization.

11501352121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121824.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 11501352121 its reverse (12125310511), we get a palindrome (23626662632).

The spelling of 11501352121 in words is "eleven billion, five hundred one million, three hundred fifty-two thousand, one hundred twenty-one".