210110100247 has 2 divisors, whose sum is σ = 210110100248. Its totient is φ = 210110100246.

The previous prime is 210110100229. The next prime is 210110100269. The reversal of 210110100247 is 742001011012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210110100247 is a prime.

It is a super-2 number, since 2×210110100247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210110100287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055050123 + 105055050124.

It is an arithmetic number, because the mean of its divisors is an integer number (105055050124).

Almost surely, 2^210110100247 is an apocalyptic number.

210110100247 is a deficient number, since it is larger than the sum of its proper divisors (1).

210110100247 is an equidigital number, since it uses as much as digits as its factorization.

210110100247 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 210110100247 its reverse (742001011012), we get a palindrome (952111111259).

The spelling of 210110100247 in words is "two hundred ten billion, one hundred ten million, one hundred thousand, two hundred forty-seven".