111244022401121 has 2 divisors, whose sum is σ = 111244022401122. Its totient is φ = 111244022401120.

The previous prime is 111244022401111. The next prime is 111244022401129. The reversal of 111244022401121 is 121104220442111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99319162810000 + 11924859591121 = 9965900^2 + 3453239^2 .

It is a cyclic number.

It is not a de Polignac number, because 111244022401121 - 2¹⁰ = 111244022400097 is a prime.

It is a super-2 number, since 2×111244022401121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111244022401129) 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, 55622011200560 + 55622011200561.

It is an arithmetic number, because the mean of its divisors is an integer number (55622011200561).

Almost surely, 2^{111244022401121} is an apocalyptic number.

It is an amenable number.

111244022401121 is a deficient number, since it is larger than the sum of its proper divisors (1).

111244022401121 is an equidigital number, since it uses as much as digits as its factorization.

111244022401121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 111244022401121 its reverse (121104220442111), we get a palindrome (232348242843232).

The spelling of 111244022401121 in words is "one hundred eleven trillion, two hundred forty-four billion, twenty-two million, four hundred one thousand, one hundred twenty-one".