100220120002201 has 2 divisors, whose sum is σ = 100220120002202. Its totient is φ = 100220120002200.

The previous prime is 100220120002199. The next prime is 100220120002231. The reversal of 100220120002201 is 102200021022001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54217067674176 + 46003052328025 = 7363224^2 + 6782555^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220120002201 - 2¹ = 100220120002199 is a prime.

Together with 100220120002199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100220120002231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110060001100 + 50110060001101.

It is an arithmetic number, because the mean of its divisors is an integer number (50110060001101).

Almost surely, 2^{100220120002201} is an apocalyptic number.

It is an amenable number.

100220120002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220120002201 is an equidigital number, since it uses as much as digits as its factorization.

100220120002201 is an evil number, because the sum of its binary digits is even.

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

Adding to 100220120002201 its reverse (102200021022001), we get a palindrome (202420141024202).

The spelling of 100220120002201 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty million, two thousand, two hundred one".