201022012222201 has 4 divisors (see below), whose sum is σ = 201022553771172. Its totient is φ = 201021470673232.

The previous prime is 201022012222181. The next prime is 201022012222243. The reversal of 201022012222201 is 102222210220102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119371794547600 + 81650217674601 = 10925740^2 + 9036051^2 .

It is a cyclic number.

It is not a de Polignac number, because 201022012222201 - 2²³ = 201022003833593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201022012292201) 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, 270217306 + ... + 270960211.

It is an arithmetic number, because the mean of its divisors is an integer number (50255638442793).

Almost surely, 2^{201022012222201} is an apocalyptic number.

It is an amenable number.

201022012222201 is a deficient number, since it is larger than the sum of its proper divisors (541548971).

201022012222201 is an equidigital number, since it uses as much as digits as its factorization.

201022012222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541548970.

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

Adding to 201022012222201 its reverse (102222210220102), we get a palindrome (303244222442303).

The spelling of 201022012222201 in words is "two hundred one trillion, twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred one".