111116522 has 48 divisors (see below), whose sum is σ = 203435712. Its totient is φ = 44979840.

The previous prime is 111116497. The next prime is 111116527. The reversal of 111116522 is 225611111.

It is a super-2 number, since 2×111116522² = 24693762922752968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111116494 and 111116503.

It is not an unprimeable number, because it can be changed into a prime (111116527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134603 + ... + 135425.

It is an arithmetic number, because the mean of its divisors is an integer number (4238244).

Almost surely, 2^111116522 is an apocalyptic number.

111116522 is a deficient number, since it is larger than the sum of its proper divisors (92319190).

111116522 is a wasteful number, since it uses less digits than its factorization.

111116522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 872 counting only the distinct ones).

The product of its digits is 120, while the sum is 20.

The square root of 111116522 is about 10541.1821917658. The cubic root of 111116522 is about 480.7576604946.

Adding to 111116522 its reverse (225611111), we get a palindrome (336727633).

The spelling of 111116522 in words is "one hundred eleven million, one hundred sixteen thousand, five hundred twenty-two".