102221453204201 has 4 divisors (see below), whose sum is σ = 102295473084804. Its totient is φ = 102147433323600.

The previous prime is 102221453204159. The next prime is 102221453204237. The reversal of 102221453204201 is 102402354122201.

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 59799366330025 + 42422086874176 = 7733005^2 + 6513224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102221453204201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221453204251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37009938230 + ... + 37009940991.

It is an arithmetic number, because the mean of its divisors is an integer number (25573868271201).

Almost surely, 2^{102221453204201} is an apocalyptic number.

It is an amenable number.

102221453204201 is a deficient number, since it is larger than the sum of its proper divisors (74019880603).

102221453204201 is an equidigital number, since it uses as much as digits as its factorization.

102221453204201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74019880602.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 102221453204201 in words is "one hundred two trillion, two hundred twenty-one billion, four hundred fifty-three million, two hundred four thousand, two hundred one".