110021100122221 has 8 divisors (see below), whose sum is σ = 115811879136800. Its totient is φ = 104230340587440.

The previous prime is 110021100122207. The next prime is 110021100122257. The reversal of 110021100122221 is 122221001120011.

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 110021100122221 - 2⁷ = 110021100122093 is a prime.

It is a super-2 number, since 2×110021100122221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110021100122195 and 110021100122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021100125221) 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, 7533250 + ... + 16637068.

It is an arithmetic number, because the mean of its divisors is an integer number (14476484892100).

Almost surely, 2^{110021100122221} is an apocalyptic number.

It is an amenable number.

110021100122221 is a deficient number, since it is larger than the sum of its proper divisors (5790779014579).

110021100122221 is an equidigital number, since it uses as much as digits as its factorization.

110021100122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9739899.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110021100122221 its reverse (122221001120011), we get a palindrome (232242101242232).

The spelling of 110021100122221 in words is "one hundred ten trillion, twenty-one billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-one".