22021312220201 has 8 divisors (see below), whose sum is σ = 25167854781504. Its totient is φ = 18874929862800.

The previous prime is 22021312220147. The next prime is 22021312220203. The reversal of 22021312220201 is 10202221312022.

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 22021312220201 - 2⁴² = 17623265709097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021312220203) 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, 39756275 + ... + 40306376.

It is an arithmetic number, because the mean of its divisors is an integer number (3145981847688).

Almost surely, 2^{22021312220201} is an apocalyptic number.

It is an amenable number.

22021312220201 is a deficient number, since it is larger than the sum of its proper divisors (3146542561303).

22021312220201 is an equidigital number, since it uses as much as digits as its factorization.

22021312220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80101951.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22021312220201 its reverse (10202221312022), we get a palindrome (32223533532223).

The spelling of 22021312220201 in words is "twenty-two trillion, twenty-one billion, three hundred twelve million, two hundred twenty thousand, two hundred one".