204121112110 has 64 divisors (see below), whose sum is σ = 383804313984. Its totient is φ = 78100992000.

The previous prime is 204121112087. The next prime is 204121112119. The reversal of 204121112110 is 11211121402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204121112119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4241302 + ... + 4289158.

It is an arithmetic number, because the mean of its divisors is an integer number (5996942406).

Almost surely, 2^204121112110 is an apocalyptic number.

204121112110 is a deficient number, since it is larger than the sum of its proper divisors (179683201874).

204121112110 is a wasteful number, since it uses less digits than its factorization.

204121112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48109.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 204121112110 its reverse (11211121402), we get a palindrome (215332233512).

The spelling of 204121112110 in words is "two hundred four billion, one hundred twenty-one million, one hundred twelve thousand, one hundred ten".