201110000002101 has 12 divisors (see below), whose sum is σ = 290879029455040. Its totient is φ = 133894806921000.

The previous prime is 201110000002099. The next prime is 201110000002181. The reversal of 201110000002101 is 101200000011102.

It is a happy number.

It is not a de Polignac number, because 201110000002101 - 2¹ = 201110000002099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110000002181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14877194011 + ... + 14877207528.

Almost surely, 2^{201110000002101} is an apocalyptic number.

It is an amenable number.

201110000002101 is a deficient number, since it is larger than the sum of its proper divisors (89769029452939).

201110000002101 is a wasteful number, since it uses less digits than its factorization.

201110000002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29754402296 (or 29754402293 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201110000002101 its reverse (101200000011102), we get a palindrome (302310000013203).

Subtracting from 201110000002101 its reverse (101200000011102), we obtain a palindrome (99909999990999).

The spelling of 201110000002101 in words is "two hundred one trillion, one hundred ten billion, two thousand, one hundred one".