111042422237 has 2 divisors, whose sum is σ = 111042422238. Its totient is φ = 111042422236.

The previous prime is 111042422221. The next prime is 111042422243. The reversal of 111042422237 is 732224240111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109760352601 + 1282069636 = 331301^2 + 35806^2 .

It is a cyclic number.

It is not a de Polignac number, because 111042422237 - 2⁴ = 111042422221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111042422737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521211118 + 55521211119.

It is an arithmetic number, because the mean of its divisors is an integer number (55521211119).

Almost surely, 2^111042422237 is an apocalyptic number.

It is an amenable number.

111042422237 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042422237 is an equidigital number, since it uses as much as digits as its factorization.

111042422237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 111042422237 its reverse (732224240111), we get a palindrome (843266662348).

The spelling of 111042422237 in words is "one hundred eleven billion, forty-two million, four hundred twenty-two thousand, two hundred thirty-seven".