111010320061 has 2 divisors, whose sum is σ = 111010320062. Its totient is φ = 111010320060.

The previous prime is 111010319983. The next prime is 111010320097. The reversal of 111010320061 is 160023010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80425556836 + 30584763225 = 283594^2 + 174885^2 .

It is an emirp because it is prime and its reverse (160023010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010320061 - 2⁷ = 111010319933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111010326061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505160030 + 55505160031.

It is an arithmetic number, because the mean of its divisors is an integer number (55505160031).

Almost surely, 2^111010320061 is an apocalyptic number.

It is an amenable number.

111010320061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010320061 is an equidigital number, since it uses as much as digits as its factorization.

111010320061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111010320061 its reverse (160023010111), we get a palindrome (271033330172).

The spelling of 111010320061 in words is "one hundred eleven billion, ten million, three hundred twenty thousand, sixty-one".