1111000220 has 36 divisors (see below), whose sum is σ = 2564487912. Its totient is φ = 403999200.

The previous prime is 1111000217. The next prime is 1111000223. The reversal of 1111000220 is 220001111.

It is an interprime number because it is at equal distance from previous prime (1111000217) and next prime (1111000223).

It is a junction number, because it is equal to n+sod(n) for n = 1111000198 and 1111000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111000223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227126 + ... + 231965.

Almost surely, 2^1111000220 is an apocalyptic number.

1111000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111000220 is an abundant number, since it is smaller than the sum of its proper divisors (1453487692).

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

1111000220 is a wasteful number, since it uses less digits than its factorization.

1111000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459122 (or 459109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1111000220 is about 33331.6699251628. The cubic root of 1111000220 is about 1035.7097110584.

Adding to 1111000220 its reverse (220001111), we get a palindrome (1331001331).

The spelling of 1111000220 in words is "one billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.