10116421 has 16 divisors (see below), whose sum is σ = 11966976. Its totient is φ = 8372736.

The previous prime is 10116409. The next prime is 10116427. The reversal of 10116421 is 12461101.

10116421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10116421 - 2¹³ = 10108229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10116395 and 10116404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10116427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31755 + ... + 32071.

It is an arithmetic number, because the mean of its divisors is an integer number (747936).

Almost surely, 2^10116421 is an apocalyptic number.

It is an amenable number.

10116421 is a deficient number, since it is larger than the sum of its proper divisors (1850555).

10116421 is an equidigital number, since it uses as much as digits as its factorization.

10116421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10116421 is about 3180.6321698681. The cubic root of 10116421 is about 216.2763167545.

Adding to 10116421 its reverse (12461101), we get a palindrome (22577522).

The spelling of 10116421 in words is "ten million, one hundred sixteen thousand, four hundred twenty-one".