110001221012121 has 8 divisors (see below), whose sum is σ = 146668483707744. Its totient is φ = 73334052828960.

The previous prime is 110001221012119. The next prime is 110001221012143. The reversal of 110001221012121 is 121210122100011.

It is a happy number.

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

It is not a de Polignac number, because 110001221012121 - 2¹ = 110001221012119 is a prime.

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 110001221012121.

It is not an unprimeable number, because it can be changed into a prime (110001221012101) 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, 20866275 + ... + 25600856.

It is an arithmetic number, because the mean of its divisors is an integer number (18333560463468).

Almost surely, 2^{110001221012121} is an apocalyptic number.

It is an amenable number.

110001221012121 is a deficient number, since it is larger than the sum of its proper divisors (36667262695623).

110001221012121 is an equidigital number, since it uses as much as digits as its factorization.

110001221012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47256231.

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

Adding to 110001221012121 its reverse (121210122100011), we get a palindrome (231211343112132).

The spelling of 110001221012121 in words is "one hundred ten trillion, one billion, two hundred twenty-one million, twelve thousand, one hundred twenty-one".