1101103200 has 288 divisors, whose sum is σ = 4193481600. Its totient is φ = 278069760.

The previous prime is 1101103189. The next prime is 1101103217. The reversal of 1101103200 is 23011011.

It is a tau number, because it is divible by the number of its divisors (288).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 409059 + ... + 411741.

It is an arithmetic number, because the mean of its divisors is an integer number (14560700).

Almost surely, 2^1101103200 is an apocalyptic number.

1101103200 is a gapful number since it is divisible by the number (10) 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 1101103200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096740800).

1101103200 is an abundant number, since it is smaller than the sum of its proper divisors (3092378400).

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

1101103200 is a wasteful number, since it uses less digits than its factorization.

1101103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731 (or 2712 counting only the distinct ones).

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

The square root of 1101103200 is about 33182.8751014737. The cubic root of 1101103200 is about 1032.6250945252.

Adding to 1101103200 its reverse (23011011), we get a palindrome (1124114211).

The spelling of 1101103200 in words is "one billion, one hundred one million, one hundred three thousand, two hundred".