110120020022221 has 6 divisors (see below), whose sum is σ = 121041013743566. Its totient is φ = 100109109111000.

The previous prime is 110120020022147. The next prime is 110120020022269. The reversal of 110120020022221 is 122220020021011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65915140766596 + 44204879255625 = 8118814^2 + 6648675^2 .

It is not a de Polignac number, because 110120020022221 - 2¹¹ = 110120020020173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110120020022195 and 110120020022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120020022021) 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, 455041404930 + ... + 455041405171.

Almost surely, 2^{110120020022221} is an apocalyptic number.

110120020022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110120020022221 is a deficient number, since it is larger than the sum of its proper divisors (10920993721345).

110120020022221 is an equidigital number, since it uses as much as digits as its factorization.

110120020022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910082810123 (or 910082810112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110120020022221 its reverse (122220020021011), we get a palindrome (232340040043232).

The spelling of 110120020022221 in words is "one hundred ten trillion, one hundred twenty billion, twenty million, twenty-two thousand, two hundred twenty-one".