111012111016 has 16 divisors (see below), whose sum is σ = 208161056340. Its totient is φ = 55502496000.

The previous prime is 111012110999. The next prime is 111012111017. The reversal of 111012111016 is 610111210111.

It can be written as a sum of positive squares in 2 ways, for example, as 102739480900 + 8272630116 = 320530^2 + 90954^2 .

It is not an unprimeable number, because it can be changed into a prime (111012111017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309985 + ... + 564016.

Almost surely, 2^111012111016 is an apocalyptic number.

It is an amenable number.

111012111016 is a deficient number, since it is larger than the sum of its proper divisors (97148945324).

111012111016 is a wasteful number, since it uses less digits than its factorization.

111012111016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889884 (or 889880 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 111012111016 its reverse (610111210111), we get a palindrome (721123321127).

The spelling of 111012111016 in words is "one hundred eleven billion, twelve million, one hundred eleven thousand, sixteen".