2021112110005 has 16 divisors (see below), whose sum is σ = 2456448480000. Its totient is φ = 1596153948480.

The previous prime is 2021112109981. The next prime is 2021112110011. The reversal of 2021112110005 is 5000112111202.

It is not a de Polignac number, because 2021112110005 - 2¹⁷ = 2021111978933 is a prime.

It is a super-2 number, since 2×2021112110005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1934746 + ... + 2790244.

It is an arithmetic number, because the mean of its divisors is an integer number (153528030000).

Almost surely, 2^{2021112110005} is an apocalyptic number.

It is an amenable number.

2021112110005 is a deficient number, since it is larger than the sum of its proper divisors (435336369995).

2021112110005 is an equidigital number, since it uses as much as digits as its factorization.

2021112110005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861564.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 2021112110005 its reverse (5000112111202), we get a palindrome (7021224221207).

The spelling of 2021112110005 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, five".