13222110231121 has 4 divisors (see below), whose sum is σ = 14424120252144. Its totient is φ = 12020100210100.

The previous prime is 13222110231091. The next prime is 13222110231131. The reversal of 13222110231121 is 12113201122231.

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 a cyclic number.

It is not a de Polignac number, because 13222110231121 - 2⁵ = 13222110231089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222110231092 and 13222110231101.

It is not an unprimeable number, because it can be changed into a prime (13222110231131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601005010495 + ... + 601005010516.

It is an arithmetic number, because the mean of its divisors is an integer number (3606030063036).

Almost surely, 2^{13222110231121} is an apocalyptic number.

13222110231121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13222110231121 is a deficient number, since it is larger than the sum of its proper divisors (1202010021023).

13222110231121 is a wasteful number, since it uses less digits than its factorization.

13222110231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202010021022.

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

Adding to 13222110231121 its reverse (12113201122231), we get a palindrome (25335311353352).

The spelling of 13222110231121 in words is "thirteen trillion, two hundred twenty-two billion, one hundred ten million, two hundred thirty-one thousand, one hundred twenty-one".