110021112212221 has 8 divisors (see below), whose sum is σ = 126491338592640. Its totient is φ = 93739116990768.

The previous prime is 110021112212201. The next prime is 110021112212237. The reversal of 110021112212221 is 122212211120011.

It is a happy number.

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 110021112212221 - 2⁵ = 110021112212189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021112212201) 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 7 ways as a sum of consecutive naturals, for example, 47057788486 + ... + 47057790823.

It is an arithmetic number, because the mean of its divisors is an integer number (15811417324080).

Almost surely, 2^{110021112212221} is an apocalyptic number.

It is an amenable number.

110021112212221 is a deficient number, since it is larger than the sum of its proper divisors (16470226380419).

110021112212221 is an equidigital number, since it uses as much as digits as its factorization.

110021112212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94115579483.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110021112212221 its reverse (122212211120011), we get a palindrome (232233323332232).

The spelling of 110021112212221 in words is "one hundred ten trillion, twenty-one billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-one".