110001101122221 has 8 divisors (see below), whose sum is σ = 150632138473824. Its totient is φ = 71352065592720.

The previous prime is 110001101122151. The next prime is 110001101122291. The reversal of 110001101122221 is 122221101100011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110001101122151) and next prime (110001101122291).

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

It is not a de Polignac number, because 110001101122221 - 2¹³ = 110001101114029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110001101122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001101122291) 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, 495500455395 + ... + 495500455616.

It is an arithmetic number, because the mean of its divisors is an integer number (18829017309228).

Almost surely, 2^{110001101122221} is an apocalyptic number.

It is an amenable number.

110001101122221 is a deficient number, since it is larger than the sum of its proper divisors (40631037351603).

110001101122221 is an equidigital number, since it uses as much as digits as its factorization.

110001101122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991000911051.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110001101122221 its reverse (122221101100011), we get a palindrome (232222202222232).

The spelling of 110001101122221 in words is "one hundred ten trillion, one billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-one".