11322120231121 has 4 divisors (see below), whose sum is σ = 12939565978432. Its totient is φ = 9704674483812.

The previous prime is 11322120231083. The next prime is 11322120231131. The reversal of 11322120231121 is 12113202122311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11322120231121 - 2¹⁵ = 11322120198353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322120231092 and 11322120231101.

It is not an unprimeable number, because it can be changed into a prime (11322120231131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808722873645 + ... + 808722873658.

It is an arithmetic number, because the mean of its divisors is an integer number (3234891494608).

Almost surely, 2^{11322120231121} is an apocalyptic number.

It is an amenable number.

11322120231121 is a deficient number, since it is larger than the sum of its proper divisors (1617445747311).

11322120231121 is an equidigital number, since it uses as much as digits as its factorization.

11322120231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617445747310.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11322120231121 its reverse (12113202122311), we get a palindrome (23435322353432).

The spelling of 11322120231121 in words is "eleven trillion, three hundred twenty-two billion, one hundred twenty million, two hundred thirty-one thousand, one hundred twenty-one".