121122012110200 has 24 divisors (see below), whose sum is σ = 281608678156680. Its totient is φ = 48448804844000.

The previous prime is 121122012110189. The next prime is 121122012110303. The reversal of 121122012110200 is 2011210221121.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 302805030076 + ... + 302805030475.

It is an arithmetic number, because the mean of its divisors is an integer number (11733694923195).

Almost surely, 2^{121122012110200} is an apocalyptic number.

121122012110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122012110200 is an abundant number, since it is smaller than the sum of its proper divisors (160486666046480).

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

121122012110200 is a wasteful number, since it uses less digits than its factorization.

121122012110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605610060567 (or 605610060558 counting only the distinct ones).

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

Adding to 121122012110200 its reverse (2011210221121), we get a palindrome (123133222331321).

The spelling of 121122012110200 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twelve million, one hundred ten thousand, two hundred".