2102211012247 has 2 divisors, whose sum is σ = 2102211012248. Its totient is φ = 2102211012246.

The previous prime is 2102211012197. The next prime is 2102211012371. The reversal of 2102211012247 is 7422101122012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102211012247 is a prime.

It is a super-2 number, since 2×2102211012247² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102211012647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051105506123 + 1051105506124.

It is an arithmetic number, because the mean of its divisors is an integer number (1051105506124).

Almost surely, 2^{2102211012247} is an apocalyptic number.

2102211012247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102211012247 is an equidigital number, since it uses as much as digits as its factorization.

2102211012247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 2102211012247 its reverse (7422101122012), we get a palindrome (9524312134259).

The spelling of 2102211012247 in words is "two trillion, one hundred two billion, two hundred eleven million, twelve thousand, two hundred forty-seven".