213022101321320 has 64 divisors (see below), whose sum is σ = 481942850803920. Its totient is φ = 84739329368064.

The previous prime is 213022101321319. The next prime is 213022101321331. The reversal of 213022101321320 is 23123101220312.

213022101321320 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 58798438704196 + 154223662617124 = 7668014^2 + 12418682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12174104 + ... + 23963576.

Almost surely, 2^{213022101321320} is an apocalyptic number.

213022101321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213022101321320 is an abundant number, since it is smaller than the sum of its proper divisors (268920749482600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213022101321320 is a wasteful number, since it uses less digits than its factorization.

213022101321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791974 (or 11791970 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213022101321320 its reverse (23123101220312), we get a palindrome (236145202541632).

The spelling of 213022101321320 in words is "two hundred thirteen trillion, twenty-two billion, one hundred one million, three hundred twenty-one thousand, three hundred twenty".