101243443410401 has 4 divisors (see below), whose sum is σ = 101396610496404. Its totient is φ = 101090276324400.

The previous prime is 101243443410397. The next prime is 101243443410419. The reversal of 101243443410401 is 104014344342101.

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 73767227776225 + 27476215634176 = 8588785^2 + 5241776^2 .

It is a cyclic number.

It is not a de Polignac number, because 101243443410401 - 2² = 101243443410397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101243443410481) 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, 76583542010 + ... + 76583543331.

It is an arithmetic number, because the mean of its divisors is an integer number (25349152624101).

Almost surely, 2^{101243443410401} is an apocalyptic number.

It is an amenable number.

101243443410401 is a deficient number, since it is larger than the sum of its proper divisors (153167086003).

101243443410401 is an equidigital number, since it uses as much as digits as its factorization.

101243443410401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153167086002.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 101243443410401 its reverse (104014344342101), we get a palindrome (205257787752502).

The spelling of 101243443410401 in words is "one hundred one trillion, two hundred forty-three billion, four hundred forty-three million, four hundred ten thousand, four hundred one".