111216111016 has 16 divisors (see below), whose sum is σ = 208644624000. Its totient is φ = 55577544624.

The previous prime is 111216111007. The next prime is 111216111023. The reversal of 111216111016 is 610111612111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798366 + ... + 3827533.

It is an arithmetic number, because the mean of its divisors is an integer number (13040289000).

Almost surely, 2^111216111016 is an apocalyptic number.

It is an amenable number.

111216111016 is a deficient number, since it is larger than the sum of its proper divisors (97428512984).

111216111016 is a wasteful number, since it uses less digits than its factorization.

111216111016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627728 (or 7627724 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 22.

Adding to 111216111016 its reverse (610111612111), we get a palindrome (721327723127).

The spelling of 111216111016 in words is "one hundred eleven billion, two hundred sixteen million, one hundred eleven thousand, sixteen".