2101000343447 has 2 divisors, whose sum is σ = 2101000343448. Its totient is φ = 2101000343446.

The previous prime is 2101000343419. The next prime is 2101000343557. The reversal of 2101000343447 is 7443430001012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101000343447 - 2²⁰ = 2100999294871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101000343147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050500171723 + 1050500171724.

It is an arithmetic number, because the mean of its divisors is an integer number (1050500171724).

Almost surely, 2^{2101000343447} is an apocalyptic number.

2101000343447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101000343447 is an equidigital number, since it uses as much as digits as its factorization.

2101000343447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 2101000343447 its reverse (7443430001012), we get a palindrome (9544430344459).

The spelling of 2101000343447 in words is "two trillion, one hundred one billion, three hundred forty-three thousand, four hundred forty-seven".