111022201361 has 2 divisors, whose sum is σ = 111022201362. Its totient is φ = 111022201360.

The previous prime is 111022201351. The next prime is 111022201379. The reversal of 111022201361 is 163102220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98922201361 + 12100000000 = 314519^2 + 110000^2 .

It is an emirp because it is prime and its reverse (163102220111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111022201361 is a prime.

It is not a weakly prime, because it can be changed into another prime (111022201351) 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, 55511100680 + 55511100681.

It is an arithmetic number, because the mean of its divisors is an integer number (55511100681).

Almost surely, 2^111022201361 is an apocalyptic number.

It is an amenable number.

111022201361 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022201361 is an equidigital number, since it uses as much as digits as its factorization.

111022201361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111022201361 its reverse (163102220111), we get a palindrome (274124421472).

The spelling of 111022201361 in words is "one hundred eleven billion, twenty-two million, two hundred one thousand, three hundred sixty-one".