1100133100 has 36 divisors (see below), whose sum is σ = 2604317688. Its totient is φ = 400048000.

The previous prime is 1100133077. The next prime is 1100133101. The reversal of 1100133100 is 13310011.

It is a super-2 number, since 2×1100133100² = 2420585675431220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1100133101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498961 + ... + 501160.

It is an arithmetic number, because the mean of its divisors is an integer number (72342158).

Almost surely, 2^1100133100 is an apocalyptic number.

1100133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100133100 is an abundant number, since it is smaller than the sum of its proper divisors (1504184588).

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

1100133100 is a wasteful number, since it uses less digits than its factorization.

1100133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000146 (or 1000139 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1100133100 is about 33168.2544008575. The cubic root of 1100133100 is about 1032.3217490752.

Adding to 1100133100 its reverse (13310011), we get a palindrome (1113443111).

Subtracting from 1100133100 its reverse (13310011), we obtain a square (1086823089 = 32967²).

It can be divided in two parts, 1100 and 133100, that multiplied together give a 4-th power (146410000 = 110⁴).

The spelling of 1100133100 in words is "one billion, one hundred million, one hundred thirty-three thousand, one hundred".