2101305666349 has 8 divisors (see below), whose sum is σ = 2288173140000. Its totient is φ = 1922065436592.

The previous prime is 2101305666347. The next prime is 2101305666389. The reversal of 2101305666349 is 9436665031012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101305666349 - 2¹ = 2101305666347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101305666299 and 2101305666308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101305666347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906810399 + ... + 1906811500.

It is an arithmetic number, because the mean of its divisors is an integer number (286021642500).

Almost surely, 2^{2101305666349} is an apocalyptic number.

2101305666349 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2101305666349 is a deficient number, since it is larger than the sum of its proper divisors (186867473651).

2101305666349 is a wasteful number, since it uses less digits than its factorization.

2101305666349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813621947.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 2101305666349 in words is "two trillion, one hundred one billion, three hundred five million, six hundred sixty-six thousand, three hundred forty-nine".