20221022012201 has 8 divisors (see below), whose sum is σ = 20498105726760. Its totient is φ = 19943940552192.

The previous prime is 20221022012197. The next prime is 20221022012239. The reversal of 20221022012201 is 10221022012202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3112242864025 + 17108779148176 = 1764155^2 + 4136276^2 .

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 20221022012201 - 2² = 20221022012197 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 20221022012201.

It is not an unprimeable number, because it can be changed into a prime (20221022012251) 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, 26042885 + ... + 26808093.

It is an arithmetic number, because the mean of its divisors is an integer number (2562263215845).

Almost surely, 2^{20221022012201} is an apocalyptic number.

It is an amenable number.

20221022012201 is a deficient number, since it is larger than the sum of its proper divisors (277083714559).

20221022012201 is an equidigital number, since it uses as much as digits as its factorization.

20221022012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127275.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20221022012201 its reverse (10221022012202), we get a palindrome (30442044024403).

Subtracting from 20221022012201 its reverse (10221022012202), we obtain a palindrome (9999999999999).

The spelling of 20221022012201 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, twelve thousand, two hundred one".