1112001101 has 4 divisors (see below), whose sum is σ = 1112673852. Its totient is φ = 1111328352.

The previous prime is 1112001097. The next prime is 1112001103. The reversal of 1112001101 is 1011002111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 660438601 + 451562500 = 25699^2 + 21250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112001101 - 2² = 1112001097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112001103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333890 + ... + 337203.

It is an arithmetic number, because the mean of its divisors is an integer number (278168463).

Almost surely, 2^1112001101 is an apocalyptic number.

It is an amenable number.

1112001101 is a deficient number, since it is larger than the sum of its proper divisors (672751).

1112001101 is an equidigital number, since it uses as much as digits as its factorization.

1112001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672750.

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

The square root of 1112001101 is about 33346.6805094600. The cubic root of 1112001101 is about 1036.0206353999.

Adding to 1112001101 its reverse (1011002111), we get a palindrome (2123003212).

The spelling of 1112001101 in words is "one billion, one hundred twelve million, one thousand, one hundred one".