11121520244297 has 2 divisors, whose sum is σ = 11121520244298. Its totient is φ = 11121520244296.

The previous prime is 11121520244279. The next prime is 11121520244309. The reversal of 11121520244297 is 79244202512111.

11121520244297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11121520244279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10018927842361 + 1102592401936 = 3165269^2 + 1050044^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121520244297 - 2¹⁴ = 11121520227913 is a prime.

It is a super-2 number, since 2×11121520244297² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11121520241297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560760122148 + 5560760122149.

It is an arithmetic number, because the mean of its divisors is an integer number (5560760122149).

Almost surely, 2^{11121520244297} is an apocalyptic number.

It is an amenable number.

11121520244297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121520244297 is an equidigital number, since it uses as much as digits as its factorization.

11121520244297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11121520244297 in words is "eleven trillion, one hundred twenty-one billion, five hundred twenty million, two hundred forty-four thousand, two hundred ninety-seven".