22120221220201 has 16 divisors (see below), whose sum is σ = 24376110010560. Its totient is φ = 19943536092480.

The previous prime is 22120221220199. The next prime is 22120221220211. The reversal of 22120221220201 is 10202212202122.

It is not a de Polignac number, because 22120221220201 - 2¹ = 22120221220199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120221220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47410866 + ... + 47875156.

It is an arithmetic number, because the mean of its divisors is an integer number (1523506875660).

Almost surely, 2^{22120221220201} is an apocalyptic number.

It is an amenable number.

22120221220201 is a deficient number, since it is larger than the sum of its proper divisors (2255888790359).

22120221220201 is a wasteful number, since it uses less digits than its factorization.

22120221220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549576.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22120221220201 its reverse (10202212202122), we get a palindrome (32322433422323).

The spelling of 22120221220201 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred one".