100214421 has 8 divisors (see below), whose sum is σ = 133734240. Its totient is φ = 66752112.

The previous prime is 100214383. The next prime is 100214431. The reversal of 100214421 is 124412001.

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

It is not a de Polignac number, because 100214421 - 2⁶ = 100214357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100214421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100214431) 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, 10131 + ... + 17408.

It is an arithmetic number, because the mean of its divisors is an integer number (16716780).

Almost surely, 2^100214421 is an apocalyptic number.

It is an amenable number.

100214421 is a deficient number, since it is larger than the sum of its proper divisors (33519819).

100214421 is a wasteful number, since it uses less digits than its factorization.

100214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28755.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 100214421 is about 10010.7153091075. The cubic root of 100214421 is about 464.4903979016.

Adding to 100214421 its reverse (124412001), we get a palindrome (224626422).

The spelling of 100214421 in words is "one hundred million, two hundred fourteen thousand, four hundred twenty-one".