121335502205 has 8 divisors (see below), whose sum is σ = 146938407000. Its totient is φ = 96177865536.

The previous prime is 121335502201. The next prime is 121335502217. The reversal of 121335502205 is 502205533121.

It can be written as a sum of positive squares in 4 ways, for example, as 30360274564 + 90975227641 = 174242^2 + 301621^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121335502205 - 2² = 121335502201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121335502201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111316430 + ... + 111317519.

It is an arithmetic number, because the mean of its divisors is an integer number (18367300875).

Almost surely, 2^121335502205 is an apocalyptic number.

It is an amenable number.

121335502205 is a deficient number, since it is larger than the sum of its proper divisors (25602904795).

121335502205 is a wasteful number, since it uses less digits than its factorization.

121335502205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222634063.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 121335502205 in words is "one hundred twenty-one billion, three hundred thirty-five million, five hundred two thousand, two hundred five".