121003302120200 has 48 divisors (see below), whose sum is σ = 283913711218500. Its totient is φ = 47957272024320.

The previous prime is 121003302120191. The next prime is 121003302120209. The reversal of 121003302120200 is 2021203300121.

It is an interprime number because it is at equal distance from previous prime (121003302120191) and next prime (121003302120209).

It can be written as a sum of positive squares in 6 ways, for example, as 86680084725796 + 34323217394404 = 9310214^2 + 5858602^2 .

It is not an unprimeable number, because it can be changed into a prime (121003302120209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2775283295 + ... + 2775326894.

Almost surely, 2^{121003302120200} is an apocalyptic number.

121003302120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121003302120200 is an abundant number, since it is smaller than the sum of its proper divisors (162910409098300).

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

121003302120200 is a wasteful number, since it uses less digits than its factorization.

121003302120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550610314 (or 5550610305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121003302120200 its reverse (2021203300121), we get a palindrome (123024505420321).

The spelling of 121003302120200 in words is "one hundred twenty-one trillion, three billion, three hundred two million, one hundred twenty thousand, two hundred".