103010021 has 8 divisors (see below), whose sum is σ = 110698560. Its totient is φ = 95502528.

The previous prime is 103010003. The next prime is 103010027. The reversal of 103010021 is 120010301.

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 103010021 - 2⁶ = 103009957 is a prime.

It is a super-2 number, since 2×103010021² = 21222128852840882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103009990 and 103010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103010027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44081 + ... + 46358.

It is an arithmetic number, because the mean of its divisors is an integer number (13837320).

Almost surely, 2^103010021 is an apocalyptic number.

It is an amenable number.

103010021 is a deficient number, since it is larger than the sum of its proper divisors (7688539).

103010021 is an equidigital number, since it uses as much as digits as its factorization.

103010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90523.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 103010021 is about 10149.3852523195. The cubic root of 103010021 is about 468.7700161882.

Adding to 103010021 its reverse (120010301), we get a palindrome (223020322).

The spelling of 103010021 in words is "one hundred three million, ten thousand, twenty-one".