2021342213 has 8 divisors (see below), whose sum is σ = 2210496960. Its totient is φ = 1833086880.

The previous prime is 2021342209. The next prime is 2021342233. The reversal of 2021342213 is 3122431202.

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 2021342213 - 2² = 2021342209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021342233) 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, 220145 + ... + 229142.

It is an arithmetic number, because the mean of its divisors is an integer number (276312120).

Almost surely, 2^2021342213 is an apocalyptic number.

It is an amenable number.

2021342213 is a deficient number, since it is larger than the sum of its proper divisors (189154747).

2021342213 is a wasteful number, since it uses less digits than its factorization.

2021342213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449707.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2021342213 is about 44959.3395525335. The cubic root of 2021342213 is about 1264.3867864818.

Adding to 2021342213 its reverse (3122431202), we get a palindrome (5143773415).

It can be divided in two parts, 20213 and 42213, that added together give a palindrome (62426).

The spelling of 2021342213 in words is "two billion, twenty-one million, three hundred forty-two thousand, two hundred thirteen".