22201140020221 has 4 divisors (see below), whose sum is σ = 22251712093600. Its totient is φ = 22150567946844.

The previous prime is 22201140020219. The next prime is 22201140020291. The reversal of 22201140020221 is 12202004110222.

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 22201140020221 - 2¹ = 22201140020219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201140020291) 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, 25286036031 + ... + 25286036908.

It is an arithmetic number, because the mean of its divisors is an integer number (5562928023400).

Almost surely, 2^{22201140020221} is an apocalyptic number.

It is an amenable number.

22201140020221 is a deficient number, since it is larger than the sum of its proper divisors (50572073379).

22201140020221 is an equidigital number, since it uses as much as digits as its factorization.

22201140020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50572073378.

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

Adding to 22201140020221 its reverse (12202004110222), we get a palindrome (34403144130443).

The spelling of 22201140020221 in words is "twenty-two trillion, two hundred one billion, one hundred forty million, twenty thousand, two hundred twenty-one".