213322203101 has 12 divisors (see below), whose sum is σ = 249961641948. Its totient is φ = 181512942912.

The previous prime is 213322203089. The next prime is 213322203139. The reversal of 213322203101 is 101302223312.

It can be written as a sum of positive squares in 2 ways, for example, as 98147491225 + 115174711876 = 313285^2 + 339374^2 .

It is a de Polignac number, because none of the positive numbers 2^k-213322203101 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 (213322203191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15882026 + ... + 15895451.

It is an arithmetic number, because the mean of its divisors is an integer number (20830136829).

Almost surely, 2^213322203101 is an apocalyptic number.

It is an amenable number.

213322203101 is a deficient number, since it is larger than the sum of its proper divisors (36639438847).

213322203101 is a wasteful number, since it uses less digits than its factorization.

213322203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31777628 (or 31777621 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213322203101 its reverse (101302223312), we get a palindrome (314624426413).

The spelling of 213322203101 in words is "two hundred thirteen billion, three hundred twenty-two million, two hundred three thousand, one hundred one".