213103300021 has 8 divisors (see below), whose sum is σ = 224405294400. Its totient is φ = 201809908800.

The previous prime is 213103300009. The next prime is 213103300043. The reversal of 213103300021 is 120003301312.

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 213103300021 - 2¹³ = 213103291829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213103299968 and 213103300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103300121) 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, 2099905 + ... + 2199046.

It is an arithmetic number, because the mean of its divisors is an integer number (28050661800).

Almost surely, 2^213103300021 is an apocalyptic number.

It is an amenable number.

213103300021 is a deficient number, since it is larger than the sum of its proper divisors (11301994379).

213103300021 is a wasteful number, since it uses less digits than its factorization.

213103300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301579.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213103300021 its reverse (120003301312), we get a palindrome (333106601333).

The spelling of 213103300021 in words is "two hundred thirteen billion, one hundred three million, three hundred thousand, twenty-one".