11220224541 has 4 divisors (see below), whose sum is σ = 14960299392. Its totient is φ = 7480149692.

The previous prime is 11220224531. The next prime is 11220224551. The reversal of 11220224541 is 14542202211.

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 an interprime number because it is at equal distance from previous prime (11220224531) and next prime (11220224551).

It is a cyclic number.

It is not a de Polignac number, because 11220224541 - 2¹⁰ = 11220223517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220224531) 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, 1870037421 + ... + 1870037426.

It is an arithmetic number, because the mean of its divisors is an integer number (3740074848).

Almost surely, 2^11220224541 is an apocalyptic number.

It is an amenable number.

11220224541 is a deficient number, since it is larger than the sum of its proper divisors (3740074851).

11220224541 is an equidigital number, since it uses as much as digits as its factorization.

11220224541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740074850.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11220224541 its reverse (14542202211), we get a palindrome (25762426752).

The spelling of 11220224541 in words is "eleven billion, two hundred twenty million, two hundred twenty-four thousand, five hundred forty-one".