11045131423221 has 16 divisors (see below), whose sum is σ = 16830842889728. Its totient is φ = 6311441257200.

The previous prime is 11045131423217. The next prime is 11045131423231. The reversal of 11045131423221 is 12232413154011.

It is not a de Polignac number, because 11045131423221 - 2² = 11045131423217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045131423201) 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, 382375 + ... + 4715556.

It is an arithmetic number, because the mean of its divisors is an integer number (1051927680608).

Almost surely, 2^{11045131423221} is an apocalyptic number.

It is an amenable number.

11045131423221 is a deficient number, since it is larger than the sum of its proper divisors (5785711466507).

11045131423221 is a wasteful number, since it uses less digits than its factorization.

11045131423221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201112.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 11045131423221 its reverse (12232413154011), we get a palindrome (23277544577232).

The spelling of 11045131423221 in words is "eleven trillion, forty-five billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred twenty-one".