2101305666351 has 16 divisors (see below), whose sum is σ = 2817330253920. Its totient is φ = 1393076367360.

The previous prime is 2101305666347. The next prime is 2101305666389. The reversal of 2101305666351 is 1536665031012.

It is not a de Polignac number, because 2101305666351 - 2² = 2101305666347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101305666331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17647351 + ... + 17766023.

It is an arithmetic number, because the mean of its divisors is an integer number (176083140870).

Almost surely, 2^{2101305666351} is an apocalyptic number.

2101305666351 is a deficient number, since it is larger than the sum of its proper divisors (716024587569).

2101305666351 is a wasteful number, since it uses less digits than its factorization.

2101305666351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151466.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 2101305666351 in words is "two trillion, one hundred one billion, three hundred five million, six hundred sixty-six thousand, three hundred fifty-one".