11120373221 has 2 divisors, whose sum is σ = 11120373222. Its totient is φ = 11120373220.

The previous prime is 11120373203. The next prime is 11120373281. The reversal of 11120373221 is 12237302111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9633422500 + 1486950721 = 98150^2 + 38561^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120373221 - 2¹⁴ = 11120356837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120373281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560186610 + 5560186611.

It is an arithmetic number, because the mean of its divisors is an integer number (5560186611).

Almost surely, 2^11120373221 is an apocalyptic number.

It is an amenable number.

11120373221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120373221 is an equidigital number, since it uses as much as digits as its factorization.

11120373221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 11120373221 its reverse (12237302111), we get a palindrome (23357675332).

The spelling of 11120373221 in words is "eleven billion, one hundred twenty million, three hundred seventy-three thousand, two hundred twenty-one".