110002120100221 has 4 divisors (see below), whose sum is σ = 111643942788352. Its totient is φ = 108360297412092.

The previous prime is 110002120100167. The next prime is 110002120100261. The reversal of 110002120100221 is 122001021200011.

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.

It is a cyclic number.

It is not a de Polignac number, because 110002120100221 - 2¹¹ = 110002120098173 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 (110002120100261) 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, 820911343965 + ... + 820911344098.

It is an arithmetic number, because the mean of its divisors is an integer number (27910985697088).

Almost surely, 2^{110002120100221} is an apocalyptic number.

It is an amenable number.

110002120100221 is a deficient number, since it is larger than the sum of its proper divisors (1641822688131).

110002120100221 is an equidigital number, since it uses as much as digits as its factorization.

110002120100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641822688130.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110002120100221 its reverse (122001021200011), we get a palindrome (232003141300232).

The spelling of 110002120100221 in words is "one hundred ten trillion, two billion, one hundred twenty million, one hundred thousand, two hundred twenty-one".