13022223120121 has 8 divisors (see below), whose sum is σ = 13789122146280. Its totient is φ = 12255422527488.

The previous prime is 13022223120119. The next prime is 13022223120139. The reversal of 13022223120121 is 12102132222031.

It can be written as a sum of positive squares in 4 ways, for example, as 6896296166400 + 6125926953721 = 2626080^2 + 2475061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13022223120121 - 2¹ = 13022223120119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13022223120092 and 13022223120101.

It is not an unprimeable number, because it can be changed into a prime (13022223120721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24335916 + ... + 24865261.

It is an arithmetic number, because the mean of its divisors is an integer number (1723640268285).

Almost surely, 2^{13022223120121} is an apocalyptic number.

It is an amenable number.

13022223120121 is a deficient number, since it is larger than the sum of its proper divisors (766899026159).

13022223120121 is a wasteful number, since it uses less digits than its factorization.

13022223120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49216763.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13022223120121 its reverse (12102132222031), we get a palindrome (25124355342152).

The spelling of 13022223120121 in words is "thirteen trillion, twenty-two billion, two hundred twenty-three million, one hundred twenty thousand, one hundred twenty-one".