100140101 has 4 divisors (see below), whose sum is σ = 101781804. Its totient is φ = 98498400.

The previous prime is 100140067. The next prime is 100140107. The reversal of 100140101 is 101041001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19589476 + 80550625 = 4426^2 + 8975^2 .

It is a cyclic number.

It is not a de Polignac number, because 100140101 - 2⁶ = 100140037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140107) 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 3 ways as a sum of consecutive naturals, for example, 820760 + ... + 820881.

It is an arithmetic number, because the mean of its divisors is an integer number (25445451).

Almost surely, 2^100140101 is an apocalyptic number.

It is an amenable number.

100140101 is a deficient number, since it is larger than the sum of its proper divisors (1641703).

100140101 is an equidigital number, since it uses as much as digits as its factorization.

100140101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641702.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 100140101 is about 10007.0025981809. The cubic root of 100140101 is about 464.3755459563.

Adding to 100140101 its reverse (101041001), we get a palindrome (201181102).

The spelling of 100140101 in words is "one hundred million, one hundred forty thousand, one hundred one".