1112145101 has 4 divisors (see below), whose sum is σ = 1112288604. Its totient is φ = 1112001600.

The previous prime is 1112145071. The next prime is 1112145113. The reversal of 1112145101 is 1015412111.

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 987844900 + 124300201 = 31430^2 + 11149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112145101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112145101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112145191) 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, 59420 + ... + 75861.

It is an arithmetic number, because the mean of its divisors is an integer number (278072151).

Almost surely, 2^1112145101 is an apocalyptic number.

It is an amenable number.

1112145101 is a deficient number, since it is larger than the sum of its proper divisors (143503).

1112145101 is an equidigital number, since it uses as much as digits as its factorization.

1112145101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143502.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1112145101 is about 33348.8395750137. The cubic root of 1112145101 is about 1036.0653537406.

Adding to 1112145101 its reverse (1015412111), we get a palindrome (2127557212).

The spelling of 1112145101 in words is "one billion, one hundred twelve million, one hundred forty-five thousand, one hundred one".