110001022122221 has 4 divisors (see below), whose sum is σ = 110018755648032. Its totient is φ = 109983288596412.

The previous prime is 110001022122191. The next prime is 110001022122289. The reversal of 110001022122221 is 122221220100011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110001022122221 - 2³⁰ = 109999948380397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110001022122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001022182221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8866753601 + ... + 8866766006.

It is an arithmetic number, because the mean of its divisors is an integer number (27504688912008).

Almost surely, 2^{110001022122221} is an apocalyptic number.

It is an amenable number.

110001022122221 is a deficient number, since it is larger than the sum of its proper divisors (17733525811).

110001022122221 is an equidigital number, since it uses as much as digits as its factorization.

110001022122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17733525810.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110001022122221 its reverse (122221220100011), we get a palindrome (232222242222232).

The spelling of 110001022122221 in words is "one hundred ten trillion, one billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".