11001100120501 has 2 divisors, whose sum is σ = 11001100120502. Its totient is φ = 11001100120500.

The previous prime is 11001100120477. The next prime is 11001100120553. The reversal of 11001100120501 is 10502100110011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10341536862276 + 659563258225 = 3215826^2 + 812135^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001100120501 - 2²³ = 11001091731893 is a prime.

It is a super-2 number, since 2×11001100120501² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001100120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500550060250 + 5500550060251.

It is an arithmetic number, because the mean of its divisors is an integer number (5500550060251).

Almost surely, 2^{11001100120501} is an apocalyptic number.

It is an amenable number.

11001100120501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001100120501 is an equidigital number, since it uses as much as digits as its factorization.

11001100120501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 13.

Adding to 11001100120501 its reverse (10502100110011), we get a palindrome (21503200230512).

The spelling of 11001100120501 in words is "eleven trillion, one billion, one hundred million, one hundred twenty thousand, five hundred one".