2021112022223 has 6 divisors (see below), whose sum is σ = 2351089495296. Its totient is φ = 1732381733292.

The previous prime is 2021112022199. The next prime is 2021112022243. The reversal of 2021112022223 is 3222202111202.

It is not a de Polignac number, because 2021112022223 - 2¹⁰ = 2021112021199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021112022195 and 2021112022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112022243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20623592015 + ... + 20623592112.

It is an arithmetic number, because the mean of its divisors is an integer number (391848249216).

Almost surely, 2^{2021112022223} is an apocalyptic number.

2021112022223 is a deficient number, since it is larger than the sum of its proper divisors (329977473073).

2021112022223 is an equidigital number, since it uses as much as digits as its factorization.

2021112022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41247184141 (or 41247184134 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2021112022223 its reverse (3222202111202), we get a palindrome (5243314133425).

The spelling of 2021112022223 in words is "two trillion, twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred twenty-three".