1111021112 has 16 divisors (see below), whose sum is σ = 2085333360. Its totient is φ = 554932224.

The previous prime is 1111021103. The next prime is 1111021127. The reversal of 1111021112 is 2111201111.

It is a super-2 number, since 2×1111021112² = 2468735822619433088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111021093 and 1111021102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64073 + ... + 79544.

It is an arithmetic number, because the mean of its divisors is an integer number (130333335).

Almost surely, 2^1111021112 is an apocalyptic number.

It is an amenable number.

1111021112 is a deficient number, since it is larger than the sum of its proper divisors (974312248).

1111021112 is a wasteful number, since it uses less digits than its factorization.

1111021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144590 (or 144586 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1111021112 is about 33331.9833193286. The cubic root of 1111021112 is about 1035.7162030799.

Adding to 1111021112 its reverse (2111201111), we get a palindrome (3222222223).

The spelling of 1111021112 in words is "one billion, one hundred eleven million, twenty-one thousand, one hundred twelve".