20111110120201 has 8 divisors (see below), whose sum is σ = 20929175104320. Its totient is φ = 19301350364688.

The previous prime is 20111110120177. The next prime is 20111110120207. The reversal of 20111110120201 is 10202101111102.

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 20111110120201 - 2¹⁷ = 20111109989129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111110120207) 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, 2076302211 + ... + 2076311896.

It is an arithmetic number, because the mean of its divisors is an integer number (2616146888040).

Almost surely, 2^{20111110120201} is an apocalyptic number.

It is an amenable number.

20111110120201 is a deficient number, since it is larger than the sum of its proper divisors (818064984119).

20111110120201 is a wasteful number, since it uses less digits than its factorization.

20111110120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152614303.

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

Adding to 20111110120201 its reverse (10202101111102), we get a palindrome (30313211231303).

Subtracting from 20111110120201 its reverse (10202101111102), we obtain a palindrome (9909009009099).

The spelling of 20111110120201 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, one hundred twenty thousand, two hundred one".