22120331331321 has 6 divisors (see below), whose sum is σ = 31951589700810. Its totient is φ = 14746887554208.

The previous prime is 22120331331317. The next prime is 22120331331377. The reversal of 22120331331321 is 12313313302122.

22120331331321 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 0 + 3 + 3 + 1 + 331 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18948922417296 + 3171408914025 = 4353036^2 + 1780845^2 .

It is not a de Polignac number, because 22120331331321 - 2² = 22120331331317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120331331421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1228907296176 + ... + 1228907296193.

It is an arithmetic number, because the mean of its divisors is an integer number (5325264950135).

Almost surely, 2^{22120331331321} is an apocalyptic number.

It is an amenable number.

22120331331321 is a deficient number, since it is larger than the sum of its proper divisors (9831258369489).

22120331331321 is a wasteful number, since it uses less digits than its factorization.

22120331331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457814592375 (or 2457814592372 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 22120331331321 its reverse (12313313302122), we get a palindrome (34433644633443).

The spelling of 22120331331321 in words is "twenty-two trillion, one hundred twenty billion, three hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".