2101011103321 has 16 divisors (see below), whose sum is σ = 2298037311360. Its totient is φ = 1909209778560.

The previous prime is 2101011103273. The next prime is 2101011103337. The reversal of 2101011103321 is 1233011101012.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101011103321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101011103295 and 2101011103304.

It is not an unprimeable number, because it can be changed into a prime (2101011103381) 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, 3161541 + ... + 3767938.

It is an arithmetic number, because the mean of its divisors is an integer number (143627331960).

Almost surely, 2^{2101011103321} is an apocalyptic number.

It is an amenable number.

2101011103321 is a deficient number, since it is larger than the sum of its proper divisors (197026208039).

2101011103321 is a wasteful number, since it uses less digits than its factorization.

2101011103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929856.

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

Adding to 2101011103321 its reverse (1233011101012), we get a palindrome (3334022204333).

The spelling of 2101011103321 in words is "two trillion, one hundred one billion, eleven million, one hundred three thousand, three hundred twenty-one".