1011100112 has 40 divisors (see below), whose sum is σ = 2140791552. Its totient is φ = 458796800.

The previous prime is 1011100091. The next prime is 1011100117. The reversal of 1011100112 is 2110011101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1011100112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011100117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103937 + ... + 113247.

Almost surely, 2^1011100112 is an apocalyptic number.

It is an amenable number.

1011100112 is an abundant number, since it is smaller than the sum of its proper divisors (1129691440).

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

1011100112 is a wasteful number, since it uses less digits than its factorization.

1011100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9947 (or 9941 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1011100112 is about 31797.8004270736. The cubic root of 1011100112 is about 1003.6864308616.

Adding to 1011100112 its reverse (2110011101), we get a palindrome (3121111213).

The spelling of 1011100112 in words is "one billion, eleven million, one hundred thousand, one hundred twelve".