11420111101 has 16 divisors (see below), whose sum is σ = 13778127360. Its totient is φ = 9246711600.

The previous prime is 11420111093. The next prime is 11420111117. The reversal of 11420111101 is 10111102411.

It is not a de Polignac number, because 11420111101 - 2³ = 11420111093 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 (11420111141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77575 + ... + 169876.

It is an arithmetic number, because the mean of its divisors is an integer number (861132960).

Almost surely, 2^11420111101 is an apocalyptic number.

It is an amenable number.

11420111101 is a deficient number, since it is larger than the sum of its proper divisors (2358016259).

11420111101 is a wasteful number, since it uses less digits than its factorization.

11420111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247824.

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

Adding to 11420111101 its reverse (10111102411), we get a palindrome (21531213512).

The spelling of 11420111101 in words is "eleven billion, four hundred twenty million, one hundred eleven thousand, one hundred one".