111020022 has 12 divisors (see below), whose sum is σ = 240543420. Its totient is φ = 37006668.

The previous prime is 111020003. The next prime is 111020029. The reversal of 111020022 is 220020111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111019986 and 111020013.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 3083872 + ... + 3083907.

It is an arithmetic number, because the mean of its divisors is an integer number (20045285).

Almost surely, 2^111020022 is an apocalyptic number.

111020022 is an abundant number, since it is smaller than the sum of its proper divisors (129523398).

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

111020022 is a wasteful number, since it uses less digits than its factorization.

111020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167787 (or 6167784 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 111020022 is about 10536.6039120772. The cubic root of 111020022 is about 480.6184476214.

Adding to 111020022 its reverse (220020111), we get a palindrome (331040133).

The spelling of 111020022 in words is "one hundred eleven million, twenty thousand, twenty-two".