110102021001221 has 8 divisors (see below), whose sum is σ = 110688195945600. Its totient is φ = 109516891865920.

The previous prime is 110102021001149. The next prime is 110102021001223. The reversal of 110102021001221 is 122100120201011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110102021001221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110102021001196 and 110102021001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102021001223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261241151 + ... + 261662268.

It is an arithmetic number, because the mean of its divisors is an integer number (13836024493200).

Almost surely, 2^{110102021001221} is an apocalyptic number.

It is an amenable number.

110102021001221 is a deficient number, since it is larger than the sum of its proper divisors (586174944379).

110102021001221 is an equidigital number, since it uses as much as digits as its factorization.

110102021001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522904539.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110102021001221 its reverse (122100120201011), we get a palindrome (232202141202232).

The spelling of 110102021001221 in words is "one hundred ten trillion, one hundred two billion, twenty-one million, one thousand, two hundred twenty-one".