121020221202 has 16 divisors (see below), whose sum is σ = 242127011712. Its totient is φ = 40325645520.

The previous prime is 121020221173. The next prime is 121020221279. The reversal of 121020221202 is 202122020121.

It is an unprimeable number.

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, 3588874 + ... + 3622437.

It is an arithmetic number, because the mean of its divisors is an integer number (15132938232).

Almost surely, 2^121020221202 is an apocalyptic number.

121020221202 is an abundant number, since it is smaller than the sum of its proper divisors (121106790510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121020221202 is a wasteful number, since it uses less digits than its factorization.

121020221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7214113.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121020221202 its reverse (202122020121), we get a palindrome (323142241323).

The spelling of 121020221202 in words is "one hundred twenty-one billion, twenty million, two hundred twenty-one thousand, two hundred two".