110102120120221 has 16 divisors (see below), whose sum is σ = 111024761189760. Its totient is φ = 109180745069760.

The previous prime is 110102120120189. The next prime is 110102120120273. The reversal of 110102120120221 is 122021021201011.

It is a cyclic number.

It is not a de Polignac number, because 110102120120221 - 2⁵ = 110102120120189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110102120120195 and 110102120120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102120120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516250311 + ... + 1516322923.

It is an arithmetic number, because the mean of its divisors is an integer number (6939047574360).

Almost surely, 2^{110102120120221} is an apocalyptic number.

It is an amenable number.

110102120120221 is a deficient number, since it is larger than the sum of its proper divisors (922641069539).

110102120120221 is a wasteful number, since it uses less digits than its factorization.

110102120120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81156.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110102120120221 its reverse (122021021201011), we get a palindrome (232123141321232).

The spelling of 110102120120221 in words is "one hundred ten trillion, one hundred two billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty-one".