216025102201 has 4 divisors (see below), whose sum is σ = 228732461172. Its totient is φ = 203317743232.

The previous prime is 216025102193. The next prime is 216025102207. The reversal of 216025102201 is 102201520612.

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 120575617600 + 95449484601 = 347240^2 + 308949^2 .

It is a cyclic number.

It is not a de Polignac number, because 216025102201 - 2³ = 216025102193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216025102207) 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, 6353679460 + ... + 6353679493.

It is an arithmetic number, because the mean of its divisors is an integer number (57183115293).

Almost surely, 2^216025102201 is an apocalyptic number.

It is an amenable number.

216025102201 is a deficient number, since it is larger than the sum of its proper divisors (12707358971).

216025102201 is a wasteful number, since it uses less digits than its factorization.

216025102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12707358970.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 216025102201 its reverse (102201520612), we get a palindrome (318226622813).

The spelling of 216025102201 in words is "two hundred sixteen billion, twenty-five million, one hundred two thousand, two hundred one".