22120020110221 has 4 divisors (see below), whose sum is σ = 24130931029344. Its totient is φ = 20109109191100.

The previous prime is 22120020110173. The next prime is 22120020110257. The reversal of 22120020110221 is 12201102002122.

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 22120020110221 - 2²⁷ = 22119885892493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120020110195 and 22120020110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120020110281) 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, 1005455459545 + ... + 1005455459566.

It is an arithmetic number, because the mean of its divisors is an integer number (6032732757336).

Almost surely, 2^{22120020110221} is an apocalyptic number.

It is an amenable number.

22120020110221 is a deficient number, since it is larger than the sum of its proper divisors (2010910919123).

22120020110221 is a wasteful number, since it uses less digits than its factorization.

22120020110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010910919122.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120020110221 its reverse (12201102002122), we get a palindrome (34321122112343).

The spelling of 22120020110221 in words is "twenty-two trillion, one hundred twenty billion, twenty million, one hundred ten thousand, two hundred twenty-one".