11045131103221 has 16 divisors (see below), whose sum is σ = 11242490575680. Its totient is φ = 10848114466560.

The previous prime is 11045131103173. The next prime is 11045131103239. The reversal of 11045131103221 is 12230113154011.

It is a cyclic number.

It is not a de Polignac number, because 11045131103221 - 2⁷ = 11045131103093 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 (11045131103261) 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, 337682950 + ... + 337715656.

It is an arithmetic number, because the mean of its divisors is an integer number (702655660980).

Almost surely, 2^{11045131103221} is an apocalyptic number.

It is an amenable number.

11045131103221 is a deficient number, since it is larger than the sum of its proper divisors (197359472459).

11045131103221 is a wasteful number, since it uses less digits than its factorization.

11045131103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37764.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 11045131103221 its reverse (12230113154011), we get a palindrome (23275244257232).

The spelling of 11045131103221 in words is "eleven trillion, forty-five billion, one hundred thirty-one million, one hundred three thousand, two hundred twenty-one".