2021133113 has 8 divisors (see below), whose sum is σ = 2128106400. Its totient is φ = 1914219648.

The previous prime is 2021133097. The next prime is 2021133131. The reversal of 2021133113 is 3113311202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021133113 - 2⁴ = 2021133097 is a prime.

It is a super-3 number, since 3×2021133113³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021133091 and 2021133100.

It is not an unprimeable number, because it can be changed into a prime (2021133143) 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, 65570 + ... + 91332.

It is an arithmetic number, because the mean of its divisors is an integer number (266013300).

Almost surely, 2^2021133113 is an apocalyptic number.

It is an amenable number.

2021133113 is a deficient number, since it is larger than the sum of its proper divisors (106973287).

2021133113 is a wasteful number, since it uses less digits than its factorization.

2021133113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29911.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2021133113 is about 44957.0140578753. The cubic root of 2021133113 is about 1264.3431863445.

Adding to 2021133113 its reverse (3113311202), we get a palindrome (5134444315).

The spelling of 2021133113 in words is "two billion, twenty-one million, one hundred thirty-three thousand, one hundred thirteen".