204100201121102 has 144 divisors (see below), whose sum is σ = 380493143138304. Its totient is φ = 81856883908800.

The previous prime is 204100201121051. The next prime is 204100201121107. The reversal of 204100201121102 is 201121102001402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204100201121107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1383628283 + ... + 1383775785.

It is an arithmetic number, because the mean of its divisors is an integer number (2642313494016).

Almost surely, 2^{204100201121102} is an apocalyptic number.

204100201121102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204100201121102 is a deficient number, since it is larger than the sum of its proper divisors (176392942017202).

204100201121102 is a wasteful number, since it uses less digits than its factorization.

204100201121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149047 (or 149023 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 204100201121102 its reverse (201121102001402), we get a palindrome (405221303122504).

The spelling of 204100201121102 in words is "two hundred four trillion, one hundred billion, two hundred one million, one hundred twenty-one thousand, one hundred two".