204221112010134 has 16 divisors (see below), whose sum is σ = 408473888817600. Its totient is φ = 68068426537160.

The previous prime is 204221112010099. The next prime is 204221112010243. The reversal of 204221112010134 is 431010211122402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319282712 + ... + 1319437499.

It is an arithmetic number, because the mean of its divisors is an integer number (25529618051100).

Almost surely, 2^{204221112010134} is an apocalyptic number.

204221112010134 is an abundant number, since it is smaller than the sum of its proper divisors (204252776807466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204221112010134 is a wasteful number, since it uses less digits than its factorization.

204221112010134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638733115.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 204221112010134 its reverse (431010211122402), we get a palindrome (635231323132536).

The spelling of 204221112010134 in words is "two hundred four trillion, two hundred twenty-one billion, one hundred twelve million, ten thousand, one hundred thirty-four".