110211421 has 4 divisors (see below), whose sum is σ = 110234844. Its totient is φ = 110188000.

The previous prime is 110211373. The next prime is 110211461. The reversal of 110211421 is 124112011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107931321 + 2280100 = 10389^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 110211421 - 2⁹ = 110210909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211461) 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, 1930 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (27558711).

Almost surely, 2^110211421 is an apocalyptic number.

It is an amenable number.

110211421 is a deficient number, since it is larger than the sum of its proper divisors (23423).

110211421 is an equidigital number, since it uses as much as digits as its factorization.

110211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23422.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 110211421 is about 10498.1627440234. The cubic root of 110211421 is about 479.4487609993.

Adding to 110211421 its reverse (124112011), we get a palindrome (234323432).

The spelling of 110211421 in words is "one hundred ten million, two hundred eleven thousand, four hundred twenty-one".