200121110107 has 2 divisors, whose sum is σ = 200121110108. Its totient is φ = 200121110106.

The previous prime is 200121110099. The next prime is 200121110117. The reversal of 200121110107 is 701011121002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200121110107 - 2³ = 200121110099 is a prime.

It is not a weakly prime, because it can be changed into another prime (200121110117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060555053 + 100060555054.

It is an arithmetic number, because the mean of its divisors is an integer number (100060555054).

Almost surely, 2^200121110107 is an apocalyptic number.

200121110107 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121110107 is an equidigital number, since it uses as much as digits as its factorization.

200121110107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 200121110107 its reverse (701011121002), we get a palindrome (901132231109).

The spelling of 200121110107 in words is "two hundred billion, one hundred twenty-one million, one hundred ten thousand, one hundred seven".