110201022121 has 4 divisors (see below), whose sum is σ = 110205685332. Its totient is φ = 110196358912.

The previous prime is 110201022103. The next prime is 110201022131. The reversal of 110201022121 is 121220102011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121220102011 = 19 ⋅6380005369.

It can be written as a sum of positive squares in 2 ways, for example, as 28153148521 + 82047873600 = 167789^2 + 286440^2 .

It is a cyclic number.

It is not a de Polignac number, because 110201022121 - 2⁵ = 110201022089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110201022131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295976 + ... + 2343481.

It is an arithmetic number, because the mean of its divisors is an integer number (27551421333).

Almost surely, 2^110201022121 is an apocalyptic number.

It is an amenable number.

110201022121 is a deficient number, since it is larger than the sum of its proper divisors (4663211).

110201022121 is an equidigital number, since it uses as much as digits as its factorization.

110201022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663210.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110201022121 its reverse (121220102011), we get a palindrome (231421124132).

The spelling of 110201022121 in words is "one hundred ten billion, two hundred one million, twenty-two thousand, one hundred twenty-one".