1111220052 has 24 divisors (see below), whose sum is σ = 2596005216. Its totient is φ = 369955488.

The previous prime is 1111220051. The next prime is 1111220087. The reversal of 1111220052 is 2500221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111220051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46063 + ... + 65910.

It is an arithmetic number, because the mean of its divisors is an integer number (108166884).

Almost surely, 2^1111220052 is an apocalyptic number.

1111220052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111220052 is an abundant number, since it is smaller than the sum of its proper divisors (1484785164).

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

1111220052 is a wasteful number, since it uses less digits than its factorization.

1111220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112807 (or 112805 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1111220052 is about 33334.9674066137. The cubic root of 1111220052 is about 1035.7780180122.

Adding to 1111220052 its reverse (2500221111), we get a palindrome (3611441163).

The spelling of 1111220052 in words is "one billion, one hundred eleven million, two hundred twenty thousand, fifty-two".