111020026 has 16 divisors (see below), whose sum is σ = 179713800. Its totient is φ = 51133248.

The previous prime is 111020003. The next prime is 111020029. The reversal of 111020026 is 620020111.

It can be written as a sum of positive squares in 4 ways, for example, as 106069401 + 4950625 = 10299^2 + 2225^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 111019988 and 111020015.

It is not an unprimeable number, because it can be changed into a prime (111020029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9040 + ... + 17428.

Almost surely, 2^111020026 is an apocalyptic number.

111020026 is a deficient number, since it is larger than the sum of its proper divisors (68693774).

111020026 is a wasteful number, since it uses less digits than its factorization.

111020026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111020026 is about 10536.6041018917. The cubic root of 111020026 is about 480.6184533936.

Adding to 111020026 its reverse (620020111), we get a palindrome (731040137).

The spelling of 111020026 in words is "one hundred eleven million, twenty thousand, twenty-six".