103133221 has 8 divisors (see below), whose sum is σ = 106581024. Its totient is φ = 99733200.

The previous prime is 103133209. The next prime is 103133231. The reversal of 103133221 is 122331301.

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 103133221 - 2⁹ = 103132709 is a prime.

It is a super-2 number, since 2×103133221² = 21272922547669682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103133195 and 103133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7531 + ... + 16216.

It is an arithmetic number, because the mean of its divisors is an integer number (13322628).

Almost surely, 2^103133221 is an apocalyptic number.

It is an amenable number.

103133221 is a deficient number, since it is larger than the sum of its proper divisors (3447803).

103133221 is a wasteful number, since it uses less digits than its factorization.

103133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23891.

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

The square root of 103133221 is about 10155.4527717872. The cubic root of 103133221 is about 468.9568247360.

Adding to 103133221 its reverse (122331301), we get a palindrome (225464522).

The spelling of 103133221 in words is "one hundred three million, one hundred thirty-three thousand, two hundred twenty-one".