2101332221347 has 2 divisors, whose sum is σ = 2101332221348. Its totient is φ = 2101332221346.

The previous prime is 2101332221311. The next prime is 2101332221399. The reversal of 2101332221347 is 7431222331012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101332221347 - 2¹¹ = 2101332219299 is a prime.

It is a super-2 number, since 2×2101332221347² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101332221647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050666110673 + 1050666110674.

It is an arithmetic number, because the mean of its divisors is an integer number (1050666110674).

Almost surely, 2^{2101332221347} is an apocalyptic number.

2101332221347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101332221347 is an equidigital number, since it uses as much as digits as its factorization.

2101332221347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 2101332221347 its reverse (7431222331012), we get a palindrome (9532554552359).

The spelling of 2101332221347 in words is "two trillion, one hundred one billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred forty-seven".