110000211221 has 8 divisors (see below), whose sum is σ = 115303683264. Its totient is φ = 104821526880.

The previous prime is 110000211173. The next prime is 110000211227. The reversal of 110000211221 is 122112000011.

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 110000211221 - 2⁶ = 110000211157 is a prime.

It is a super-2 number, since 2×110000211221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000211227) 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, 31195121 + ... + 31198646.

It is an arithmetic number, because the mean of its divisors is an integer number (14412960408).

Almost surely, 2^110000211221 is an apocalyptic number.

It is an amenable number.

110000211221 is a deficient number, since it is larger than the sum of its proper divisors (5303472043).

110000211221 is an equidigital number, since it uses as much as digits as its factorization.

110000211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62393851.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110000211221 its reverse (122112000011), we get a palindrome (232112211232).

The spelling of 110000211221 in words is "one hundred ten billion, two hundred eleven thousand, two hundred twenty-one".