110211201201221 has 8 divisors (see below), whose sum is σ = 110239278761664. Its totient is φ = 110183124553920.

The previous prime is 110211201201197. The next prime is 110211201201259. The reversal of 110211201201221 is 122102102112011.

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-110211201201221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110211201201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211201261221) 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, 286631720 + ... + 287015966.

It is an arithmetic number, because the mean of its divisors is an integer number (13779909845208).

Almost surely, 2^{110211201201221} is an apocalyptic number.

It is an amenable number.

110211201201221 is a deficient number, since it is larger than the sum of its proper divisors (28077560443).

110211201201221 is an equidigital number, since it uses as much as digits as its factorization.

110211201201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456571.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110211201201221 its reverse (122102102112011), we get a palindrome (232313303313232).

The spelling of 110211201201221 in words is "one hundred ten trillion, two hundred eleven billion, two hundred one million, two hundred one thousand, two hundred twenty-one".