210200121199 has 4 divisors (see below), whose sum is σ = 210210576736. Its totient is φ = 210189665664.

The previous prime is 210200121191. The next prime is 210200121203. The reversal of 210200121199 is 991121002012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210200121199 - 2³ = 210200121191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200121191) 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 3 ways as a sum of consecutive naturals, for example, 5197554 + ... + 5237839.

It is an arithmetic number, because the mean of its divisors is an integer number (52552644184).

Almost surely, 2^210200121199 is an apocalyptic number.

210200121199 is a deficient number, since it is larger than the sum of its proper divisors (10455537).

210200121199 is a wasteful number, since it uses less digits than its factorization.

210200121199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10455536.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 210200121199 in words is "two hundred ten billion, two hundred million, one hundred twenty-one thousand, one hundred ninety-nine".