111232141217 has 2 divisors, whose sum is σ = 111232141218. Its totient is φ = 111232141216.

The previous prime is 111232141201. The next prime is 111232141231. The reversal of 111232141217 is 712141232111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108452321041 + 2779820176 = 329321^2 + 52724^2 .

It is a cyclic number.

It is not a de Polignac number, because 111232141217 - 2⁴ = 111232141201 is a prime.

It is not a weakly prime, because it can be changed into another prime (111232144217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616070608 + 55616070609.

It is an arithmetic number, because the mean of its divisors is an integer number (55616070609).

Almost surely, 2^111232141217 is an apocalyptic number.

It is an amenable number.

111232141217 is a deficient number, since it is larger than the sum of its proper divisors (1).

111232141217 is an equidigital number, since it uses as much as digits as its factorization.

111232141217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 26.

Adding to 111232141217 its reverse (712141232111), we get a palindrome (823373373328).

The spelling of 111232141217 in words is "one hundred eleven billion, two hundred thirty-two million, one hundred forty-one thousand, two hundred seventeen".