11120411452421 has 2 divisors, whose sum is σ = 11120411452422. Its totient is φ = 11120411452420.

The previous prime is 11120411452417. The next prime is 11120411452439. The reversal of 11120411452421 is 12425411402111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8021860979521 + 3098550472900 = 2832289^2 + 1760270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120411452421 - 2² = 11120411452417 is a prime.

It is a super-2 number, since 2×11120411452421² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11120411452621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560205726210 + 5560205726211.

It is an arithmetic number, because the mean of its divisors is an integer number (5560205726211).

Almost surely, 2^{11120411452421} is an apocalyptic number.

It is an amenable number.

11120411452421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120411452421 is an equidigital number, since it uses as much as digits as its factorization.

11120411452421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 29.

Adding to 11120411452421 its reverse (12425411402111), we get a palindrome (23545822854532).

The spelling of 11120411452421 in words is "eleven trillion, one hundred twenty billion, four hundred eleven million, four hundred fifty-two thousand, four hundred twenty-one".