100414021 has 4 divisors (see below), whose sum is σ = 104779872. Its totient is φ = 96048172.

The previous prime is 100414003. The next prime is 100414033. The reversal of 100414021 is 120414001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120414001 = 19 ⋅6337579.

It is a cyclic number.

It is not a de Polignac number, because 100414021 - 2²³ = 92025413 is a prime.

It is a super-2 number, since 2×100414021² = 20165951226776882, 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 = 100413992 and 100414010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100414081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2182891 + ... + 2182936.

It is an arithmetic number, because the mean of its divisors is an integer number (26194968).

Almost surely, 2^100414021 is an apocalyptic number.

It is an amenable number.

100414021 is a deficient number, since it is larger than the sum of its proper divisors (4365851).

100414021 is an equidigital number, since it uses as much as digits as its factorization.

100414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365850.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 100414021 is about 10020.6796675675. The cubic root of 100414021 is about 464.7985731054.

Adding to 100414021 its reverse (120414001), we get a palindrome (220828022).

The spelling of 100414021 in words is "one hundred million, four hundred fourteen thousand, twenty-one".