121121020002202 has 16 divisors (see below), whose sum is σ = 198198392473152. Its totient is φ = 55054909163520.

The previous prime is 121121020002187. The next prime is 121121020002233. The reversal of 121121020002202 is 202200020121121.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8170963 + ... + 17578585.

It is an arithmetic number, because the mean of its divisors is an integer number (12387399529572).

Almost surely, 2^{121121020002202} is an apocalyptic number.

121121020002202 is a deficient number, since it is larger than the sum of its proper divisors (77077372470950).

121121020002202 is a wasteful number, since it uses less digits than its factorization.

121121020002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9992853.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121121020002202 its reverse (202200020121121), we get a palindrome (323321040123323).

The spelling of 121121020002202 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, twenty million, two thousand, two hundred two".