1011101112 has 192 divisors, whose sum is σ = 3488659200. Its totient is φ = 257541120.

The previous prime is 1011101107. The next prime is 1011101141. The reversal of 1011101112 is 2111011101.

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 = 1011101094 and 1011101103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159687 + ... + 165897.

It is an arithmetic number, because the mean of its divisors is an integer number (18170100).

Almost surely, 2^1011101112 is an apocalyptic number.

1011101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011101112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744329600).

1011101112 is an abundant number, since it is smaller than the sum of its proper divisors (2477558088).

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

1011101112 is a wasteful number, since it uses less digits than its factorization.

1011101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1011101112 is about 31797.8161514278. The cubic root of 1011101112 is about 1003.6867617507.

Adding to 1011101112 its reverse (2111011101), we get a palindrome (3122112213).

The spelling of 1011101112 in words is "one billion, eleven million, one hundred one thousand, one hundred twelve".