2101110013321 has 8 divisors (see below), whose sum is σ = 2335367562624. Its totient is φ = 1874060388720.

The previous prime is 2101110013307. The next prime is 2101110013397. The reversal of 2101110013321 is 1233100111012.

It is a happy number.

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 2101110013321 - 2¹⁵ = 2101109980553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101110013295 and 2101110013304.

It is not an unprimeable number, because it can be changed into a prime (2101110013721) 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, 1801980561 + ... + 1801981726.

It is an arithmetic number, because the mean of its divisors is an integer number (291920945328).

Almost surely, 2^{2101110013321} is an apocalyptic number.

It is an amenable number.

2101110013321 is a deficient number, since it is larger than the sum of its proper divisors (234257549303).

2101110013321 is a wasteful number, since it uses less digits than its factorization.

2101110013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603962351.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2101110013321 its reverse (1233100111012), we get a palindrome (3334210124333).

The spelling of 2101110013321 in words is "two trillion, one hundred one billion, one hundred ten million, thirteen thousand, three hundred twenty-one".