211110101200247 has 2 divisors, whose sum is σ = 211110101200248. Its totient is φ = 211110101200246.

The previous prime is 211110101200057. The next prime is 211110101200253. The reversal of 211110101200247 is 742002101011112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211110101200247 - 2¹² = 211110101196151 is a prime.

It is a super-2 number, since 2×211110101200247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211110101200267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555050600123 + 105555050600124.

It is an arithmetic number, because the mean of its divisors is an integer number (105555050600124).

Almost surely, 2^{211110101200247} is an apocalyptic number.

211110101200247 is a deficient number, since it is larger than the sum of its proper divisors (1).

211110101200247 is an equidigital number, since it uses as much as digits as its factorization.

211110101200247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 211110101200247 its reverse (742002101011112), we get a palindrome (953112202211359).

The spelling of 211110101200247 in words is "two hundred eleven trillion, one hundred ten billion, one hundred one million, two hundred thousand, two hundred forty-seven".