110210421 has 4 divisors (see below), whose sum is σ = 146947232. Its totient is φ = 73473612.

The previous prime is 110210417. The next prime is 110210437. The reversal of 110210421 is 124012011.

It is a happy number.

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.

It is not a de Polignac number, because 110210421 - 2² = 110210417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110210397 and 110210406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110210461) 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, 18368401 + ... + 18368406.

It is an arithmetic number, because the mean of its divisors is an integer number (36736808).

Almost surely, 2^110210421 is an apocalyptic number.

It is an amenable number.

110210421 is a deficient number, since it is larger than the sum of its proper divisors (36736811).

110210421 is an equidigital number, since it uses as much as digits as its factorization.

110210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36736810.

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

The square root of 110210421 is about 10498.1151165340. The cubic root of 110210421 is about 479.4473109070.

Adding to 110210421 its reverse (124012011), we get a palindrome (234222432).

The spelling of 110210421 in words is "one hundred ten million, two hundred ten thousand, four hundred twenty-one".