220102210200001 has 4 divisors (see below), whose sum is σ = 220102876874692. Its totient is φ = 220101543525312.

The previous prime is 220102210199959. The next prime is 220102210200097. The reversal of 220102210200001 is 100002012201022.

It is a happy number.

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 85894063089025 + 134208147110976 = 9267905^2 + 11584824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220102210200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220102210200601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332841876 + ... + 333502501.

It is an arithmetic number, because the mean of its divisors is an integer number (55025719218673).

Almost surely, 2^{220102210200001} is an apocalyptic number.

It is an amenable number.

220102210200001 is a deficient number, since it is larger than the sum of its proper divisors (666674691).

220102210200001 is an equidigital number, since it uses as much as digits as its factorization.

220102210200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666674690.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220102210200001 its reverse (100002012201022), we get a palindrome (320104222401023).

The spelling of 220102210200001 in words is "two hundred twenty trillion, one hundred two billion, two hundred ten million, two hundred thousand, one".