11014100120521 has 2 divisors, whose sum is σ = 11014100120522. Its totient is φ = 11014100120520.

The previous prime is 11014100120519. The next prime is 11014100120581. The reversal of 11014100120521 is 12502100141011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9915974273296 + 1098125847225 = 3148964^2 + 1047915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11014100120521 - 2¹ = 11014100120519 is a prime.

It is a super-2 number, since 2×11014100120521² (a number of 27 digits) contains 22 as substring.

Together with 11014100120519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11014100120581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5507050060260 + 5507050060261.

It is an arithmetic number, because the mean of its divisors is an integer number (5507050060261).

Almost surely, 2^{11014100120521} is an apocalyptic number.

It is an amenable number.

11014100120521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11014100120521 is an equidigital number, since it uses as much as digits as its factorization.

11014100120521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 11014100120521 its reverse (12502100141011), we get a palindrome (23516200261532).

The spelling of 11014100120521 in words is "eleven trillion, fourteen billion, one hundred million, one hundred twenty thousand, five hundred twenty-one".