121021001020202 has 8 divisors (see below), whose sum is σ = 181531548877536. Its totient is φ = 60510484727692.

The previous prime is 121021001020189. The next prime is 121021001020211. The reversal of 121021001020202 is 202020100120121.

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

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 3 ways as a sum of consecutive naturals, for example, 8519603 + ... + 17737689.

It is an arithmetic number, because the mean of its divisors is an integer number (22691443609692).

Almost surely, 2^{121021001020202} is an apocalyptic number.

121021001020202 is a deficient number, since it is larger than the sum of its proper divisors (60510547857334).

121021001020202 is an equidigital number, since it uses as much as digits as its factorization.

121021001020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782412.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121021001020202 its reverse (202020100120121), we get a palindrome (323041101140323).

The spelling of 121021001020202 in words is "one hundred twenty-one trillion, twenty-one billion, one million, twenty thousand, two hundred two".