111220021210147 has 2 divisors, whose sum is σ = 111220021210148. Its totient is φ = 111220021210146.

The previous prime is 111220021210087. The next prime is 111220021210217. The reversal of 111220021210147 is 741012120022111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111220021210147 - 2¹¹ = 111220021208099 is a prime.

It is not a weakly prime, because it can be changed into another prime (111220022210147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610010605073 + 55610010605074.

It is an arithmetic number, because the mean of its divisors is an integer number (55610010605074).

Almost surely, 2^{111220021210147} is an apocalyptic number.

111220021210147 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220021210147 is an equidigital number, since it uses as much as digits as its factorization.

111220021210147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 111220021210147 its reverse (741012120022111), we get a palindrome (852232141232258).

The spelling of 111220021210147 in words is "one hundred eleven trillion, two hundred twenty billion, twenty-one million, two hundred ten thousand, one hundred forty-seven".