111020016 has 40 divisors (see below), whose sum is σ = 292909824. Its totient is φ = 36218560.

The previous prime is 111020003. The next prime is 111020029. The reversal of 111020016 is 610020111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111020003) and next prime (111020029).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111019983 and 111020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22350 + ... + 26861.

Almost surely, 2^111020016 is an apocalyptic number.

111020016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

111020016 is an abundant number, since it is smaller than the sum of its proper divisors (181889808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020016 is a wasteful number, since it uses less digits than its factorization.

111020016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49269 (or 49263 counting only the distinct ones).

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

The square root of 111020016 is about 10536.6036273554. The cubic root of 111020016 is about 480.6184389632.

Adding to 111020016 its reverse (610020111), we get a palindrome (721040127).

The spelling of 111020016 in words is "one hundred eleven million, twenty thousand, sixteen".