111421120301 has 2 divisors, whose sum is σ = 111421120302. Its totient is φ = 111421120300.

The previous prime is 111421120241. The next prime is 111421120339. The reversal of 111421120301 is 103021124111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69437520100 + 41983600201 = 263510^2 + 204899^2 .

It is an emirp because it is prime and its reverse (103021124111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111421120301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111421120301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111421110301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55710560150 + 55710560151.

It is an arithmetic number, because the mean of its divisors is an integer number (55710560151).

Almost surely, 2^111421120301 is an apocalyptic number.

It is an amenable number.

111421120301 is a deficient number, since it is larger than the sum of its proper divisors (1).

111421120301 is an equidigital number, since it uses as much as digits as its factorization.

111421120301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111421120301 its reverse (103021124111), we get a palindrome (214442244412).

The spelling of 111421120301 in words is "one hundred eleven billion, four hundred twenty-one million, one hundred twenty thousand, three hundred one".