1001113200 has 90 divisors (see below), whose sum is σ = 3474153384. Its totient is φ = 266962560.

The previous prime is 1001113103. The next prime is 1001113213. The reversal of 1001113200 is 23111001.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 135444 + ... + 142643.

Almost surely, 2^1001113200 is an apocalyptic number.

1001113200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001113200 is an abundant number, since it is smaller than the sum of its proper divisors (2473040184).

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

1001113200 is a wasteful number, since it uses less digits than its factorization.

1001113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278111 (or 278097 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1001113200 is about 31640.3729434405. The cubic root of 1001113200 is about 1000.3709290613.

Adding to 1001113200 its reverse (23111001), we get a palindrome (1024224201).

The spelling of 1001113200 in words is "one billion, one million, one hundred thirteen thousand, two hundred".