2101323312013 has 8 divisors (see below), whose sum is σ = 2197679932800. Its totient is φ = 2005382919408.

The previous prime is 2101323311987. The next prime is 2101323312017. The reversal of 2101323312013 is 3102133231012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101323312013 - 2⁵ = 2101323311981 is a prime.

It is a super-2 number, since 2×2101323312013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101323312017) 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, 104046718 + ... + 104066911.

It is an arithmetic number, because the mean of its divisors is an integer number (274709991600).

Almost surely, 2^{2101323312013} is an apocalyptic number.

2101323312013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2101323312013 is a deficient number, since it is larger than the sum of its proper divisors (96356620787).

2101323312013 is a wasteful number, since it uses less digits than its factorization.

2101323312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208114091.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2101323312013 its reverse (3102133231012), we get a palindrome (5203456543025).

The spelling of 2101323312013 in words is "two trillion, one hundred one billion, three hundred twenty-three million, three hundred twelve thousand, thirteen".