111060100061 has 4 divisors (see below), whose sum is σ = 111064599324. Its totient is φ = 111055600800.

The previous prime is 111060100057. The next prime is 111060100093. The reversal of 111060100061 is 160001060111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61065823225 + 49994276836 = 247115^2 + 223594^2 .

It is a cyclic number.

It is not a de Polignac number, because 111060100061 - 2² = 111060100057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111060102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212400 + ... + 2262041.

It is an arithmetic number, because the mean of its divisors is an integer number (27766149831).

Almost surely, 2^111060100061 is an apocalyptic number.

It is an amenable number.

111060100061 is a deficient number, since it is larger than the sum of its proper divisors (4499263).

111060100061 is an equidigital number, since it uses as much as digits as its factorization.

111060100061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499262.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111060100061 its reverse (160001060111), we get a palindrome (271061160172).

The spelling of 111060100061 in words is "one hundred eleven billion, sixty million, one hundred thousand, sixty-one".