2021213140333 has 2 divisors, whose sum is σ = 2021213140334. Its totient is φ = 2021213140332.

The previous prime is 2021213140321. The next prime is 2021213140367. The reversal of 2021213140333 is 3330413121202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1510141138884 + 511072001449 = 1228878^2 + 714893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021213140333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021213140298 and 2021213140307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021213140313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010606570166 + 1010606570167.

It is an arithmetic number, because the mean of its divisors is an integer number (1010606570167).

Almost surely, 2^{2021213140333} is an apocalyptic number.

It is an amenable number.

2021213140333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021213140333 is an equidigital number, since it uses as much as digits as its factorization.

2021213140333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2021213140333 its reverse (3330413121202), we get a palindrome (5351626261535).

The spelling of 2021213140333 in words is "two trillion, twenty-one billion, two hundred thirteen million, one hundred forty thousand, three hundred thirty-three".