210220111207 has 2 divisors, whose sum is σ = 210220111208. Its totient is φ = 210220111206.

The previous prime is 210220111193. The next prime is 210220111243. The reversal of 210220111207 is 702111022012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210220111207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210220171207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110055603 + 105110055604.

It is an arithmetic number, because the mean of its divisors is an integer number (105110055604).

Almost surely, 2^210220111207 is an apocalyptic number.

210220111207 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220111207 is an equidigital number, since it uses as much as digits as its factorization.

210220111207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 210220111207 its reverse (702111022012), we get a palindrome (912331133219).

The spelling of 210220111207 in words is "two hundred ten billion, two hundred twenty million, one hundred eleven thousand, two hundred seven".