11100220241 has 4 divisors (see below), whose sum is σ = 12109331184. Its totient is φ = 10091109300.

The previous prime is 11100220237. The next prime is 11100220259. The reversal of 11100220241 is 14202200111.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14202200111 = 11 ⋅1291109101.

It is a cyclic number.

It is not a de Polignac number, because 11100220241 - 2² = 11100220237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100220211) 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, 504555455 + ... + 504555476.

It is an arithmetic number, because the mean of its divisors is an integer number (3027332796).

Almost surely, 2^11100220241 is an apocalyptic number.

11100220241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100220241 is a deficient number, since it is larger than the sum of its proper divisors (1009110943).

11100220241 is a wasteful number, since it uses less digits than its factorization.

11100220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009110942.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100220241 its reverse (14202200111), we get a palindrome (25302420352).

The spelling of 11100220241 in words is "eleven billion, one hundred million, two hundred twenty thousand, two hundred forty-one".