205055245121102 has 8 divisors (see below), whose sum is σ = 307583670558312. Its totient is φ = 102527354935000.

The previous prime is 205055245121101. The next prime is 205055245121179. The reversal of 205055245121102 is 201121542550502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205055245121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132853649 + ... + 134388252.

It is an arithmetic number, because the mean of its divisors is an integer number (38447958819789).

Almost surely, 2^{205055245121102} is an apocalyptic number.

205055245121102 is a deficient number, since it is larger than the sum of its proper divisors (102528425437210).

205055245121102 is a wasteful number, since it uses less digits than its factorization.

205055245121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267625554.

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 205055245121102 its reverse (201121542550502), we get a palindrome (406176787671604).

The spelling of 205055245121102 in words is "two hundred five trillion, fifty-five billion, two hundred forty-five million, one hundred twenty-one thousand, one hundred two".