121121002205 has 8 divisors (see below), whose sum is σ = 166108803072. Its totient is φ = 83054401488.

The previous prime is 121121002183. The next prime is 121121002231. The reversal of 121121002205 is 502200121121.

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 121121002205 - 2²⁰ = 121119953629 is a prime.

It is a super-2 number, since 2×121121002205² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730299997 + ... + 1730300066.

It is an arithmetic number, because the mean of its divisors is an integer number (20763600384).

Almost surely, 2^121121002205 is an apocalyptic number.

It is an amenable number.

121121002205 is a deficient number, since it is larger than the sum of its proper divisors (44987800867).

121121002205 is an equidigital number, since it uses as much as digits as its factorization.

121121002205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460600075.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 121121002205 its reverse (502200121121), we get a palindrome (623321123326).

The spelling of 121121002205 in words is "one hundred twenty-one billion, one hundred twenty-one million, two thousand, two hundred five".