2021110223 has 8 divisors (see below), whose sum is σ = 2209185360. Its totient is φ = 1833758080.

The previous prime is 2021110181. The next prime is 2021110241. The reversal of 2021110223 is 3220111202.

It is a happy number.

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

It is not a de Polignac number, because 2021110223 - 2⁸ = 2021109967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021110198 and 2021110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021110243) 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, 174890 + ... + 186087.

It is an arithmetic number, because the mean of its divisors is an integer number (276148170).

Almost surely, 2^2021110223 is an apocalyptic number.

2021110223 is a deficient number, since it is larger than the sum of its proper divisors (188075137).

2021110223 is a wasteful number, since it uses less digits than its factorization.

2021110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361497.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2021110223 is about 44956.7594806387. The cubic root of 2021110223 is about 1264.3384132918.

Adding to 2021110223 its reverse (3220111202), we get a palindrome (5241221425).

The spelling of 2021110223 in words is "two billion, twenty-one million, one hundred ten thousand, two hundred twenty-three".