104211021 has 8 divisors (see below), whose sum is σ = 139010400. Its totient is φ = 69442832.

The previous prime is 104210987. The next prime is 104211043. The reversal of 104211021 is 120112401.

It is a happy number.

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 104211021 - 2⁶ = 104210957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104210988 and 104211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104211061) 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, 1630 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (17376300).

Almost surely, 2^104211021 is an apocalyptic number.

It is an amenable number.

104211021 is a deficient number, since it is larger than the sum of its proper divisors (34799379).

104211021 is a wasteful number, since it uses less digits than its factorization.

104211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15595.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 104211021 is about 10208.3799400297. The cubic root of 104211021 is about 470.5847874052.

Adding to 104211021 its reverse (120112401), we get a palindrome (224323422).

The spelling of 104211021 in words is "one hundred four million, two hundred eleven thousand, twenty-one".