111220131032347 has 2 divisors, whose sum is σ = 111220131032348. Its totient is φ = 111220131032346.

The previous prime is 111220131032293. The next prime is 111220131032441. The reversal of 111220131032347 is 743230131022111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111220131032347 is a prime.

It is not a weakly prime, because it can be changed into another prime (111220131035347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610065516173 + 55610065516174.

It is an arithmetic number, because the mean of its divisors is an integer number (55610065516174).

Almost surely, 2^{111220131032347} is an apocalyptic number.

111220131032347 is a deficient number, since it is larger than the sum of its proper divisors (1).

111220131032347 is an equidigital number, since it uses as much as digits as its factorization.

111220131032347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 111220131032347 its reverse (743230131022111), we get a palindrome (854450262054458).

The spelling of 111220131032347 in words is "one hundred eleven trillion, two hundred twenty billion, one hundred thirty-one million, thirty-two thousand, three hundred forty-seven".