20102220112201 has 16 divisors (see below), whose sum is σ = 21156151867200. Its totient is φ = 19073721256128.

The previous prime is 20102220112189. The next prime is 20102220112213. The reversal of 20102220112201 is 10221102220102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20102220112189) and next prime (20102220112213).

It is a cyclic number.

It is not a de Polignac number, because 20102220112201 - 2²¹ = 20102218015049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102220112301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11531910 + ... + 13160143.

It is an arithmetic number, because the mean of its divisors is an integer number (1322259491700).

Almost surely, 2^{20102220112201} is an apocalyptic number.

It is an amenable number.

20102220112201 is a deficient number, since it is larger than the sum of its proper divisors (1053931754999).

20102220112201 is a wasteful number, since it uses less digits than its factorization.

20102220112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692568.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102220112201 its reverse (10221102220102), we get a palindrome (30323322332303).

The spelling of 20102220112201 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twelve thousand, two hundred one".