101132100 has 108 divisors (see below), whose sum is σ = 325667524. Its totient is φ = 26231040.

The previous prime is 101132071. The next prime is 101132107. The reversal of 101132100 is 1231101.

It can be written as a sum of positive squares in 6 ways, for example, as 7584516 + 93547584 = 2754^2 + 9672^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101132107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31782 + ... + 34818.

Almost surely, 2^101132100 is an apocalyptic number.

101132100 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 101132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162833762).

101132100 is an abundant number, since it is smaller than the sum of its proper divisors (224535424).

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

101132100 is a wasteful number, since it uses less digits than its factorization.

101132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3084 counting only the distinct ones).

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

The square root of 101132100 is about 10056.4456941804. The cubic root of 101132100 is about 465.9038956463.

Adding to 101132100 its reverse (1231101), we get a palindrome (102363201).

Subtracting from 101132100 its reverse (1231101), we obtain a palindrome (99900999).

The spelling of 101132100 in words is "one hundred one million, one hundred thirty-two thousand, one hundred".