21334101 has 8 divisors (see below), whose sum is σ = 28765440. Its totient is φ = 14062752.

The previous prime is 21334067. The next prime is 21334123. The reversal of 21334101 is 10143312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21334101 - 2⁷ = 21333973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334171) 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, 39685 + ... + 40218.

It is an arithmetic number, because the mean of its divisors is an integer number (3595680).

Almost surely, 2^21334101 is an apocalyptic number.

It is an amenable number.

21334101 is a deficient number, since it is larger than the sum of its proper divisors (7431339).

21334101 is an equidigital number, since it uses as much as digits as its factorization.

21334101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79995.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 21334101 is about 4618.8852551238. The cubic root of 21334101 is about 277.3478363900.

Adding to 21334101 its reverse (10143312), we get a palindrome (31477413).

The spelling of 21334101 in words is "twenty-one million, three hundred thirty-four thousand, one hundred one".