2101330221306 has 32 divisors (see below), whose sum is σ = 4263398169408. Its totient is φ = 690360545280.

The previous prime is 2101330221247. The next prime is 2101330221307. The reversal of 2101330221306 is 6031220331012.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101330221307) 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 in 15 ways as a sum of consecutive naturals, for example, 4801671 + ... + 5220986.

It is an arithmetic number, because the mean of its divisors is an integer number (133231192794).

Almost surely, 2^{2101330221306} is an apocalyptic number.

2101330221306 is an abundant number, since it is smaller than the sum of its proper divisors (2162067948102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101330221306 is a wasteful number, since it uses less digits than its factorization.

2101330221306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10023166.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2101330221306 its reverse (6031220331012), we get a palindrome (8132550552318).

The spelling of 2101330221306 in words is "two trillion, one hundred one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred six".