110243421 has 6 divisors (see below), whose sum is σ = 159240510. Its totient is φ = 73495608.

The previous prime is 110243417. The next prime is 110243423. The reversal of 110243421 is 124342011.

110243421 is a `hidden beast` number, since 1 + 1 + 0 + 243 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109620900 + 622521 = 10470^2 + 789^2 .

It is not a de Polignac number, because 110243421 - 2² = 110243417 is a prime.

It is a super-2 number, since 2×110243421² = 24307223747566482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110243394 and 110243403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110243423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6124626 + ... + 6124643.

It is an arithmetic number, because the mean of its divisors is an integer number (26540085).

Almost surely, 2^110243421 is an apocalyptic number.

It is an amenable number.

110243421 is a deficient number, since it is larger than the sum of its proper divisors (48997089).

110243421 is a wasteful number, since it uses less digits than its factorization.

110243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249275 (or 12249272 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 110243421 is about 10499.6867096119. The cubic root of 110243421 is about 479.4951593234.

Adding to 110243421 its reverse (124342011), we get a palindrome (234585432).

The spelling of 110243421 in words is "one hundred ten million, two hundred forty-three thousand, four hundred twenty-one".