101200440041 has 4 divisors (see below), whose sum is σ = 101201079252. Its totient is φ = 101199800832.

The previous prime is 101200440001. The next prime is 101200440157. The reversal of 101200440041 is 140044002101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 140044002101 = 9461 ⋅14802241.

It can be written as a sum of positive squares in 2 ways, for example, as 52633536400 + 48566903641 = 229420^2 + 220379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101200440041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101200440001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113645 + ... + 464021.

It is an arithmetic number, because the mean of its divisors is an integer number (25300269813).

Almost surely, 2^101200440041 is an apocalyptic number.

It is an amenable number.

101200440041 is a deficient number, since it is larger than the sum of its proper divisors (639211).

101200440041 is an equidigital number, since it uses as much as digits as its factorization.

101200440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639210.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101200440041 its reverse (140044002101), we get a palindrome (241244442142).

The spelling of 101200440041 in words is "one hundred one billion, two hundred million, four hundred forty thousand, forty-one".