210200121107 has 2 divisors, whose sum is σ = 210200121108. Its totient is φ = 210200121106.

The previous prime is 210200121097. The next prime is 210200121137. The reversal of 210200121107 is 701121002012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210200121107 - 2¹⁸ = 210199858963 is a prime.

It is not a weakly prime, because it can be changed into another prime (210200121137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100060553 + 105100060554.

It is an arithmetic number, because the mean of its divisors is an integer number (105100060554).

Almost surely, 2^210200121107 is an apocalyptic number.

210200121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

210200121107 is an equidigital number, since it uses as much as digits as its factorization.

210200121107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 210200121107 its reverse (701121002012), we get a palindrome (911321123119).

The spelling of 210200121107 in words is "two hundred ten billion, two hundred million, one hundred twenty-one thousand, one hundred seven".