111122110222153 has 2 divisors, whose sum is σ = 111122110222154. Its totient is φ = 111122110222152.

The previous prime is 111122110222073. The next prime is 111122110222159. The reversal of 111122110222153 is 351222011221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97051599081529 + 14070511140624 = 9851477^2 + 3751068^2 .

It is an emirp because it is prime and its reverse (351222011221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111122110222153 - 2⁴¹ = 108923086966601 is a prime.

It is not a weakly prime, because it can be changed into another prime (111122110222159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561055111076 + 55561055111077.

It is an arithmetic number, because the mean of its divisors is an integer number (55561055111077).

Almost surely, 2^{111122110222153} is an apocalyptic number.

It is an amenable number.

111122110222153 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122110222153 is an equidigital number, since it uses as much as digits as its factorization.

111122110222153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 111122110222153 its reverse (351222011221111), we get a palindrome (462344121443264).

The spelling of 111122110222153 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-two thousand, one hundred fifty-three".