110213321 has 4 divisors (see below), whose sum is σ = 111304644. Its totient is φ = 109122000.

The previous prime is 110213291. The next prime is 110213333. The reversal of 110213321 is 123312011.

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 90535225 + 19678096 = 9515^2 + 4436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110213321 is a prime.

It is a super-2 number, since 2×110213321² = 24293952251698082, 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 = 110213296 and 110213305.

It is not an unprimeable number, because it can be changed into a prime (110213351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545510 + ... + 545711.

It is an arithmetic number, because the mean of its divisors is an integer number (27826161).

Almost surely, 2^110213321 is an apocalyptic number.

It is an amenable number.

110213321 is a deficient number, since it is larger than the sum of its proper divisors (1091323).

110213321 is a wasteful number, since it uses less digits than its factorization.

110213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091322.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 110213321 is about 10498.2532356578. The cubic root of 110213321 is about 479.4515161506.

Adding to 110213321 its reverse (123312011), we get a palindrome (233525332).

The spelling of 110213321 in words is "one hundred ten million, two hundred thirteen thousand, three hundred twenty-one".