201110120220121 has 8 divisors (see below), whose sum is σ = 229841367529280. Its totient is φ = 172379180444688.

The previous prime is 201110120220109. The next prime is 201110120220151. The reversal of 201110120220121 is 121022021011102.

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

It is not a de Polignac number, because 201110120220121 - 2²³ = 201110111831513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201110120220095 and 201110120220104.

It is not an unprimeable number, because it can be changed into a prime (201110120220151) 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, 75480411 + ... + 78099376.

It is an arithmetic number, because the mean of its divisors is an integer number (28730170941160).

Almost surely, 2^{201110120220121} is an apocalyptic number.

It is an amenable number.

201110120220121 is a deficient number, since it is larger than the sum of its proper divisors (28731247309159).

201110120220121 is a wasteful number, since it uses less digits than its factorization.

201110120220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153766863.

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

Adding to 201110120220121 its reverse (121022021011102), we get a palindrome (322132141231223).

The spelling of 201110120220121 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-one".