22221101120201 has 4 divisors (see below), whose sum is σ = 22221111120000. Its totient is φ = 22221091120404.

The previous prime is 22221101120171. The next prime is 22221101120209. The reversal of 22221101120201 is 10202110112222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22221101120201 - 2⁶ = 22221101120137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221101120201.

It is not an unprimeable number, because it can be changed into a prime (22221101120209) 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, 101 + ... + 6666498.

It is an arithmetic number, because the mean of its divisors is an integer number (5555277780000).

Almost surely, 2^{22221101120201} is an apocalyptic number.

It is an amenable number.

22221101120201 is a deficient number, since it is larger than the sum of its proper divisors (9999799).

22221101120201 is an equidigital number, since it uses as much as digits as its factorization.

22221101120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999798.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22221101120201 its reverse (10202110112222), we get a palindrome (32423211232423).

The spelling of 22221101120201 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty thousand, two hundred one".