103233100221 has 6 divisors (see below), whose sum is σ = 149114478110. Its totient is φ = 68822066808.

The previous prime is 103233100211. The next prime is 103233100231. The reversal of 103233100221 is 122001332301.

103233100221 is a `hidden beast` number, since 10 + 323 + 310 + 0 + 2 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (103233100211) and next prime (103233100231).

It can be written as a sum of positive squares in only one way, i.e., 101840765625 + 1392334596 = 319125^2 + 37314^2 .

It is not a de Polignac number, because 103233100221 - 2¹¹ = 103233098173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103233100194 and 103233100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103233100211) 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, 5735172226 + ... + 5735172243.

Almost surely, 2^103233100221 is an apocalyptic number.

It is an amenable number.

103233100221 is a deficient number, since it is larger than the sum of its proper divisors (45881377889).

103233100221 is a wasteful number, since it uses less digits than its factorization.

103233100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11470344475 (or 11470344472 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103233100221 its reverse (122001332301), we get a palindrome (225234432522).

The spelling of 103233100221 in words is "one hundred three billion, two hundred thirty-three million, one hundred thousand, two hundred twenty-one".