201110121002101 has 8 divisors (see below), whose sum is σ = 201691988517600. Its totient is φ = 200528285605872.

The previous prime is 201110121002071. The next prime is 201110121002113. The reversal of 201110121002101 is 101200121011102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201110121002101 - 2¹¹ = 201110121000053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110121002171) 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, 4539426 + ... + 20562748.

It is an arithmetic number, because the mean of its divisors is an integer number (25211498564700).

Almost surely, 2^{201110121002101} is an apocalyptic number.

It is an amenable number.

201110121002101 is a deficient number, since it is larger than the sum of its proper divisors (581867515499).

201110121002101 is a wasteful number, since it uses less digits than its factorization.

201110121002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16059635.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201110121002101 its reverse (101200121011102), we get a palindrome (302310242013203).

Subtracting from 201110121002101 its reverse (101200121011102), we obtain a palindrome (99909999990999).

The spelling of 201110121002101 in words is "two hundred one trillion, one hundred ten billion, one hundred twenty-one million, two thousand, one hundred one".