121221022000202 has 8 divisors (see below), whose sum is σ = 182006539291200. Its totient is φ = 60552175569804.

The previous prime is 121221022000171. The next prime is 121221022000207. The reversal of 121221022000202 is 202000220122121.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (121221022000207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29167712552 + ... + 29167716707.

It is an arithmetic number, because the mean of its divisors is an integer number (22750817411400).

Almost surely, 2^{121221022000202} is an apocalyptic number.

121221022000202 is a deficient number, since it is larger than the sum of its proper divisors (60785517290998).

121221022000202 is a wasteful number, since it uses less digits than its factorization.

121221022000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58335430300.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121221022000202 its reverse (202000220122121), we get a palindrome (323221242122323).

The spelling of 121221022000202 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty-two million, two hundred two", and thus it is an aban number.