121113020202 has 16 divisors (see below), whose sum is σ = 256474631232. Its totient is φ = 37996241600.

The previous prime is 121113020191. The next prime is 121113020233. The reversal of 121113020202 is 202020311121.

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, 593691174 + ... + 593691377.

It is an arithmetic number, because the mean of its divisors is an integer number (16029664452).

Almost surely, 2^121113020202 is an apocalyptic number.

121113020202 is an abundant number, since it is smaller than the sum of its proper divisors (135361611030).

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

121113020202 is a wasteful number, since it uses less digits than its factorization.

121113020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187382573.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121113020202 its reverse (202020311121), we get a palindrome (323133331323).

The spelling of 121113020202 in words is "one hundred twenty-one billion, one hundred thirteen million, twenty thousand, two hundred two".