3200213101221 has 6 divisors (see below), whose sum is σ = 4622530035110. Its totient is φ = 2133475400808.

The previous prime is 3200213101207. The next prime is 3200213101249. The reversal of 3200213101221 is 1221013120023.

3200213101221 is a `hidden beast` number, since 320 + 0 + 2 + 1 + 310 + 12 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2907195502500 + 293017598721 = 1705050^2 + 541311^2 .

It is not a de Polignac number, because 3200213101221 - 2⁷ = 3200213101093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3200213101194 and 3200213101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200213101271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177789616726 + ... + 177789616743.

Almost surely, 2^{3200213101221} is an apocalyptic number.

It is an amenable number.

3200213101221 is a deficient number, since it is larger than the sum of its proper divisors (1422316933889).

3200213101221 is a wasteful number, since it uses less digits than its factorization.

3200213101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355579233475 (or 355579233472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3200213101221 its reverse (1221013120023), we get a palindrome (4421226221244).

The spelling of 3200213101221 in words is "three trillion, two hundred billion, two hundred thirteen million, one hundred one thousand, two hundred twenty-one".