1101323100 has 36 divisors (see below), whose sum is σ = 3186495704. Its totient is φ = 293686080.

The previous prime is 1101323039. The next prime is 1101323107. The reversal of 1101323100 is 13231011.

It is a super-2 number, since 2×1101323100² = 2425825141187220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101323107) 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, 1835239 + ... + 1835838.

Almost surely, 2^1101323100 is an apocalyptic number.

1101323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101323100 is an abundant number, since it is smaller than the sum of its proper divisors (2085172604).

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

1101323100 is a wasteful number, since it uses less digits than its factorization.

1101323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671094 (or 3671087 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1101323100 is about 33186.1883921610. The cubic root of 1101323100 is about 1032.6938313895.

Adding to 1101323100 its reverse (13231011), we get a palindrome (1114554111).

It can be divided in two parts, 1 and 101323100, that added together give a palindrome (101323101).

The spelling of 1101323100 in words is "one billion, one hundred one million, three hundred twenty-three thousand, one hundred".