101330021 has 8 divisors (see below), whose sum is σ = 114868320. Its totient is φ = 88612272.

The previous prime is 101330017. The next prime is 101330039. The reversal of 101330021 is 120033101.

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 101330021 - 2² = 101330017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101329984 and 101330011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101330051) 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, 204875 + ... + 205368.

It is an arithmetic number, because the mean of its divisors is an integer number (14358540).

Almost surely, 2^101330021 is an apocalyptic number.

It is an amenable number.

101330021 is a deficient number, since it is larger than the sum of its proper divisors (13538299).

101330021 is a wasteful number, since it uses less digits than its factorization.

101330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410275.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 101330021 is about 10066.2813888744. The cubic root of 101330021 is about 466.2076306474.

Adding to 101330021 its reverse (120033101), we get a palindrome (221363122).

The spelling of 101330021 in words is "one hundred one million, three hundred thirty thousand, twenty-one".