22031120221321 has 8 divisors (see below), whose sum is σ = 23327288893440. Its totient is φ = 20734976040768.

The previous prime is 22031120221303. The next prime is 22031120221361. The reversal of 22031120221321 is 12312202113022.

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 22031120221321 - 2⁵ = 22031120221289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22031120221292 and 22031120221301.

It is not an unprimeable number, because it can be changed into a prime (22031120221301) 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, 4254601 + ... + 7884406.

It is an arithmetic number, because the mean of its divisors is an integer number (2915911111680).

Almost surely, 2^{22031120221321} is an apocalyptic number.

It is an amenable number.

22031120221321 is a deficient number, since it is larger than the sum of its proper divisors (1296168672119).

22031120221321 is a wasteful number, since it uses less digits than its factorization.

22031120221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245783.

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

Adding to 22031120221321 its reverse (12312202113022), we get a palindrome (34343322334343).

The spelling of 22031120221321 in words is "twenty-two trillion, thirty-one billion, one hundred twenty million, two hundred twenty-one thousand, three hundred twenty-one".