2021223113 has 16 divisors (see below), whose sum is σ = 2489846016. Its totient is φ = 1597803840.

The previous prime is 2021223107. The next prime is 2021223131. The reversal of 2021223113 is 3113221202.

It is a cyclic number.

It is not a de Polignac number, because 2021223113 - 2⁸ = 2021222857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021223091 and 2021223100.

It is not an unprimeable number, because it can be changed into a prime (2021273113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101228 + ... + 119538.

It is an arithmetic number, because the mean of its divisors is an integer number (155615376).

Almost surely, 2^2021223113 is an apocalyptic number.

It is an amenable number.

2021223113 is a deficient number, since it is larger than the sum of its proper divisors (468622903).

2021223113 is a wasteful number, since it uses less digits than its factorization.

2021223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19544.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2021223113 is about 44958.0150028891. The cubic root of 2021223113 is about 1264.3619529128.

Adding to 2021223113 its reverse (3113221202), we get a palindrome (5134444315).

The spelling of 2021223113 in words is "two billion, twenty-one million, two hundred twenty-three thousand, one hundred thirteen".