200120102122 has 4 divisors (see below), whose sum is σ = 300180153186. Its totient is φ = 100060051060.

The previous prime is 200120102101. The next prime is 200120102123. The reversal of 200120102122 is 221201021002.

It is a happy number.

200120102122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 188079209761 + 12040892361 = 433681^2 + 109731^2 .

It is not an unprimeable number, because it can be changed into a prime (200120102123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030025529 + ... + 50030025532.

Almost surely, 2^200120102122 is an apocalyptic number.

200120102122 is a deficient number, since it is larger than the sum of its proper divisors (100060051064).

200120102122 is a wasteful number, since it uses less digits than its factorization.

200120102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060051063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200120102122 its reverse (221201021002), we get a palindrome (421321123124).

The spelling of 200120102122 in words is "two hundred billion, one hundred twenty million, one hundred two thousand, one hundred twenty-two".