204242321102 has 4 divisors (see below), whose sum is σ = 306363481656. Its totient is φ = 102121160550.

The previous prime is 204242321081. The next prime is 204242321113. The reversal of 204242321102 is 201123242402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060580274 + ... + 51060580277.

It is an arithmetic number, because the mean of its divisors is an integer number (76590870414).

Almost surely, 2^204242321102 is an apocalyptic number.

204242321102 is a deficient number, since it is larger than the sum of its proper divisors (102121160554).

204242321102 is a wasteful number, since it uses less digits than its factorization.

204242321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102121160553.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 204242321102 its reverse (201123242402), we get a palindrome (405365563504).

The spelling of 204242321102 in words is "two hundred four billion, two hundred forty-two million, three hundred twenty-one thousand, one hundred two".