11122032121 has 16 divisors (see below), whose sum is σ = 11841681600. Its totient is φ = 10429185088.

The previous prime is 11122032101. The next prime is 11122032193. The reversal of 11122032121 is 12123022111.

It is not a de Polignac number, because 11122032121 - 2¹⁹ = 11121507833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122032095 and 11122032104.

It is not an unprimeable number, because it can be changed into a prime (11122032101) 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, 102855 + ... + 181171.

It is an arithmetic number, because the mean of its divisors is an integer number (740105100).

Almost surely, 2^11122032121 is an apocalyptic number.

It is an amenable number.

11122032121 is a deficient number, since it is larger than the sum of its proper divisors (719649479).

11122032121 is an equidigital number, since it uses as much as digits as its factorization.

11122032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78488.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11122032121 its reverse (12123022111), we get a palindrome (23245054232).

It can be divided in two parts, 111220 and 32121, that added together give a palindrome (143341).

The spelling of 11122032121 in words is "eleven billion, one hundred twenty-two million, thirty-two thousand, one hundred twenty-one".