110110323310021 has 4 divisors (see below), whose sum is σ = 110110388889100. Its totient is φ = 110110257730944.

The previous prime is 110110323310007. The next prime is 110110323310049. The reversal of 110110323310021 is 120013323011011.

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 17224483757121 + 92885839552900 = 4150239^2 + 9637730^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110323310021 - 2¹⁹ = 110110322785733 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 (110110323319021) 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, 30202956 + ... + 33651733.

It is an arithmetic number, because the mean of its divisors is an integer number (27527597222275).

Almost surely, 2^{110110323310021} is an apocalyptic number.

It is an amenable number.

110110323310021 is a deficient number, since it is larger than the sum of its proper divisors (65579079).

110110323310021 is an equidigital number, since it uses as much as digits as its factorization.

110110323310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65579078.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 110110323310021 its reverse (120013323011011), we get a palindrome (230123646321032).

The spelling of 110110323310021 in words is "one hundred ten trillion, one hundred ten billion, three hundred twenty-three million, three hundred ten thousand, twenty-one".