110101201221 has 8 divisors (see below), whose sum is σ = 160147201824. Its totient is φ = 66728000720.

The previous prime is 110101201213. The next prime is 110101201241. The reversal of 110101201221 is 122102101011.

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

It is a cyclic number.

It is not a de Polignac number, because 110101201221 - 2³ = 110101201213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110101201197 and 110101201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101201201) 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, 1668199986 + ... + 1668200051.

It is an arithmetic number, because the mean of its divisors is an integer number (20018400228).

Almost surely, 2^110101201221 is an apocalyptic number.

110101201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110101201221 is a deficient number, since it is larger than the sum of its proper divisors (50046000603).

110101201221 is a wasteful number, since it uses less digits than its factorization.

110101201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336400051.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110101201221 its reverse (122102101011), we get a palindrome (232203302232).

The spelling of 110101201221 in words is "one hundred ten billion, one hundred one million, two hundred one thousand, two hundred twenty-one".