103221135 has 40 divisors (see below), whose sum is σ = 185896656. Its totient is φ = 54794880.

The previous prime is 103221109. The next prime is 103221169. The reversal of 103221135 is 531122301.

It is not a de Polignac number, because 103221135 - 2⁸ = 103220879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 113352 + ... + 114258.

Almost surely, 2^103221135 is an apocalyptic number.

103221135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103221135 is a deficient number, since it is larger than the sum of its proper divisors (82675521).

103221135 is an equidigital number, since it uses as much as digits as its factorization.

103221135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 103221135 is about 10159.7802633718. The cubic root of 103221135 is about 469.0900380718.

Adding to 103221135 its reverse (531122301), we get a palindrome (634343436).

The spelling of 103221135 in words is "one hundred three million, two hundred twenty-one thousand, one hundred thirty-five".