101344021 has 8 divisors (see below), whose sum is σ = 107504280. Its totient is φ = 95205888.

The previous prime is 101344013. The next prime is 101344031. The reversal of 101344021 is 120443101.

It can be written as a sum of positive squares in 4 ways, for example, as 22667121 + 78676900 = 4761^2 + 8870^2 .

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 101344021 - 2³ = 101344013 is a prime.

It is a super-2 number, since 2×101344021² = 20541221184896882, 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 = 101343986 and 101344004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101344031) 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, 4435 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (13438035).

Almost surely, 2^101344021 is an apocalyptic number.

It is an amenable number.

101344021 is a deficient number, since it is larger than the sum of its proper divisors (6160259).

101344021 is a wasteful number, since it uses less digits than its factorization.

101344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11063.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101344021 is about 10066.9767557097. The cubic root of 101344021 is about 466.2291004487.

Adding to 101344021 its reverse (120443101), we get a palindrome (221787122).

The spelling of 101344021 in words is "one hundred one million, three hundred forty-four thousand, twenty-one".