1102312100 has 18 divisors (see below), whose sum is σ = 2392017474. Its totient is φ = 440924800.

The previous prime is 1102312097. The next prime is 1102312109. The reversal of 1102312100 is 12132011.

It can be written as a sum of positive squares in 3 ways, for example, as 107288164 + 995023936 = 10358^2 + 31544^2 .

It is not an unprimeable number, because it can be changed into a prime (1102312109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5511461 + ... + 5511660.

Almost surely, 2^1102312100 is an apocalyptic number.

1102312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102312100 is an abundant number, since it is smaller than the sum of its proper divisors (1289705374).

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

1102312100 is a wasteful number, since it uses less digits than its factorization.

1102312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023135 (or 11023128 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1102312100 is about 33201.0858256172. The cubic root of 1102312100 is about 1033.0028622963.

Adding to 1102312100 its reverse (12132011), we get a palindrome (1114444111).

The spelling of 1102312100 in words is "one billion, one hundred two million, three hundred twelve thousand, one hundred".