11240121101 has 4 divisors (see below), whose sum is σ = 12261950304. Its totient is φ = 10218291900.

The previous prime is 11240121097. The next prime is 11240121103. The reversal of 11240121101 is 10112104211.

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 11240121101 - 2² = 11240121097 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 (11240121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510914585 + ... + 510914606.

It is an arithmetic number, because the mean of its divisors is an integer number (3065487576).

Almost surely, 2^11240121101 is an apocalyptic number.

11240121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11240121101 is a deficient number, since it is larger than the sum of its proper divisors (1021829203).

11240121101 is a wasteful number, since it uses less digits than its factorization.

11240121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021829202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11240121101 its reverse (10112104211), we get a palindrome (21352225312).

The spelling of 11240121101 in words is "eleven billion, two hundred forty million, one hundred twenty-one thousand, one hundred one".