110011010221 has 4 divisors (see below), whose sum is σ = 125726868832. Its totient is φ = 94295151612.

The previous prime is 110011010209. The next prime is 110011010237. The reversal of 110011010221 is 122010110011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122010110011 = 3947 ⋅30912113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110011010221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110011010198 and 110011010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011010201) 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, 7857929295 + ... + 7857929308.

It is an arithmetic number, because the mean of its divisors is an integer number (31431717208).

Almost surely, 2^110011010221 is an apocalyptic number.

It is an amenable number.

110011010221 is a deficient number, since it is larger than the sum of its proper divisors (15715858611).

110011010221 is an equidigital number, since it uses as much as digits as its factorization.

110011010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715858610.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110011010221 its reverse (122010110011), we get a palindrome (232021120232).

The spelling of 110011010221 in words is "one hundred ten billion, eleven million, ten thousand, two hundred twenty-one".