11101121101 has 16 divisors (see below), whose sum is σ = 13138481664. Its totient is φ = 9181965744.

The previous prime is 11101121099. The next prime is 11101121113. The reversal of 11101121101 is 10112110111.

It is not a de Polignac number, because 11101121101 - 2¹ = 11101121099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101121131) 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, 197191 + ... + 247156.

It is an arithmetic number, because the mean of its divisors is an integer number (821155104).

Almost surely, 2^11101121101 is an apocalyptic number.

It is an amenable number.

11101121101 is a deficient number, since it is larger than the sum of its proper divisors (2037360563).

11101121101 is an equidigital number, since it uses as much as digits as its factorization.

11101121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444480.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11101121101 its reverse (10112110111), we get a palindrome (21213231212).

It can be divided in two parts, 1110 and 1121101, that added together give a palindrome (1122211).

The spelling of 11101121101 in words is "eleven billion, one hundred one million, one hundred twenty-one thousand, one hundred one".