111331322230061 has 2 divisors, whose sum is σ = 111331322230062. Its totient is φ = 111331322230060.

The previous prime is 111331322229989. The next prime is 111331322230123. The reversal of 111331322230061 is 160032223133111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92206277808100 + 19125044421961 = 9602410^2 + 4373219^2 .

It is a cyclic number.

It is not a de Polignac number, because 111331322230061 - 2³⁴ = 111314142360877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111331322238061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665661115030 + 55665661115031.

It is an arithmetic number, because the mean of its divisors is an integer number (55665661115031).

Almost surely, 2^{111331322230061} is an apocalyptic number.

It is an amenable number.

111331322230061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331322230061 is an equidigital number, since it uses as much as digits as its factorization.

111331322230061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 111331322230061 its reverse (160032223133111), we get a palindrome (271363545363172).

The spelling of 111331322230061 in words is "one hundred eleven trillion, three hundred thirty-one billion, three hundred twenty-two million, two hundred thirty thousand, sixty-one".