210120100207 has 2 divisors, whose sum is σ = 210120100208. Its totient is φ = 210120100206.

The previous prime is 210120100139. The next prime is 210120100243. The reversal of 210120100207 is 702001021012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210120100207 - 2²⁷ = 209985882479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210120100247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060050103 + 105060050104.

It is an arithmetic number, because the mean of its divisors is an integer number (105060050104).

Almost surely, 2^210120100207 is an apocalyptic number.

210120100207 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120100207 is an equidigital number, since it uses as much as digits as its factorization.

210120100207 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 16.

Adding to 210120100207 its reverse (702001021012), we get a palindrome (912121121219).

The spelling of 210120100207 in words is "two hundred ten billion, one hundred twenty million, one hundred thousand, two hundred seven".