213003330002021 has 16 divisors (see below), whose sum is σ = 234984547648368. Its totient is φ = 191821652083200.

The previous prime is 213003330002011. The next prime is 213003330002053. The reversal of 213003330002021 is 120200033300312.

213003330002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 100960575751396 + 112042754250625 = 10047914^2 + 10585025^2 .

It is a cyclic number.

It is not a de Polignac number, because 213003330002021 - 2²² = 213003325807717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213003330001984 and 213003330002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213003330002011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87359111 + ... + 89764251.

It is an arithmetic number, because the mean of its divisors is an integer number (14686534228023).

Almost surely, 2^{213003330002021} is an apocalyptic number.

It is an amenable number.

213003330002021 is a deficient number, since it is larger than the sum of its proper divisors (21981217646347).

213003330002021 is a wasteful number, since it uses less digits than its factorization.

213003330002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571352.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213003330002021 its reverse (120200033300312), we get a palindrome (333203363302333).

The spelling of 213003330002021 in words is "two hundred thirteen trillion, three billion, three hundred thirty million, two thousand, twenty-one".