204102012221102 has 16 divisors (see below), whose sum is σ = 308494702731600. Its totient is φ = 101270468070720.

The previous prime is 204102012221077. The next prime is 204102012221137. The reversal of 204102012221102 is 201122210201402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11701724 + ... + 23348112.

It is an arithmetic number, because the mean of its divisors is an integer number (19280918920725).

Almost surely, 2^{204102012221102} is an apocalyptic number.

204102012221102 is a deficient number, since it is larger than the sum of its proper divisors (104392690510498).

204102012221102 is a wasteful number, since it uses less digits than its factorization.

204102012221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713411.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 204102012221102 its reverse (201122210201402), we get a palindrome (405224222422504).

The spelling of 204102012221102 in words is "two hundred four trillion, one hundred two billion, twelve million, two hundred twenty-one thousand, one hundred two".