121121201100202 has 32 divisors (see below), whose sum is σ = 195080324883840. Its totient is φ = 56194862760960.

The previous prime is 121121201100139. The next prime is 121121201100299. The reversal of 121121201100202 is 202001102121121.

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 15 ways as a sum of consecutive naturals, for example, 338329074 + ... + 338686882.

It is an arithmetic number, because the mean of its divisors is an integer number (6096260152620).

Almost surely, 2^{121121201100202} is an apocalyptic number.

121121201100202 is a deficient number, since it is larger than the sum of its proper divisors (73959123783638).

121121201100202 is a wasteful number, since it uses less digits than its factorization.

121121201100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498126.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121121201100202 its reverse (202001102121121), we get a palindrome (323122303221323).

The spelling of 121121201100202 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred one million, one hundred thousand, two hundred two".