2021021313233 has 8 divisors (see below), whose sum is σ = 2177686330176. Its totient is φ = 1864527987600.

The previous prime is 2021021313221. The next prime is 2021021313247. The reversal of 2021021313233 is 3323131201202.

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 2021021313233 - 2¹⁶ = 2021021247697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021021313199 and 2021021313208.

It is not an unprimeable number, because it can be changed into a prime (2021021313733) 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, 42898373 + ... + 42945458.

It is an arithmetic number, because the mean of its divisors is an integer number (272210791272).

Almost surely, 2^{2021021313233} is an apocalyptic number.

It is an amenable number.

2021021313233 is a deficient number, since it is larger than the sum of its proper divisors (156665016943).

2021021313233 is a wasteful number, since it uses less digits than its factorization.

2021021313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85845655.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2021021313233 its reverse (3323131201202), we get a palindrome (5344152514435).

The spelling of 2021021313233 in words is "two trillion, twenty-one billion, twenty-one million, three hundred thirteen thousand, two hundred thirty-three".