1111020112 has 20 divisors (see below), whose sum is σ = 2163534516. Its totient is φ = 552688640.

The previous prime is 1111020103. The next prime is 1111020121. The reversal of 1111020112 is 2110201111.

It is an interprime number because it is at equal distance from previous prime (1111020103) and next prime (1111020121).

It can be written as a sum of positive squares in 2 ways, for example, as 930494016 + 180526096 = 30504^2 + 13436^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 173089 + ... + 179392.

Almost surely, 2^1111020112 is an apocalyptic number.

It is an amenable number.

1111020112 is a deficient number, since it is larger than the sum of its proper divisors (1052514404).

1111020112 is a wasteful number, since it uses less digits than its factorization.

1111020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352686 (or 352680 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1111020112 is about 33331.9683187177. The cubic root of 1111020112 is about 1035.7158923397.

Adding to 1111020112 its reverse (2110201111), we get a palindrome (3221221223).

The spelling of 1111020112 in words is "one billion, one hundred eleven million, twenty thousand, one hundred twelve".