11101112121101 has 4 divisors (see below), whose sum is σ = 11101144454400. Its totient is φ = 11101079787804.

The previous prime is 11101112121091. The next prime is 11101112121109. The reversal of 11101112121101 is 10112121110111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11101112121101 - 2⁶ = 11101112121037 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 (11101112121109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15646061 + ... + 16340178.

It is an arithmetic number, because the mean of its divisors is an integer number (2775286113600).

Almost surely, 2^{11101112121101} is an apocalyptic number.

It is an amenable number.

11101112121101 is a deficient number, since it is larger than the sum of its proper divisors (32333299).

11101112121101 is an equidigital number, since it uses as much as digits as its factorization.

11101112121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32333298.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11101112121101 its reverse (10112121110111), we get a palindrome (21213233231212).

The spelling of 11101112121101 in words is "eleven trillion, one hundred one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred one".