20211103344041 has 4 divisors (see below), whose sum is σ = 20213036876292. Its totient is φ = 20209169811792.

The previous prime is 20211103343987. The next prime is 20211103344137. The reversal of 20211103344041 is 14044330111202.

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 15007070218816 + 5204033125225 = 3873896^2 + 2281235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211103344041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211103344041.

It is not an unprimeable number, because it can be changed into a prime (20211103344241) 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, 966750446 + ... + 966771351.

It is an arithmetic number, because the mean of its divisors is an integer number (5053259219073).

Almost surely, 2^{20211103344041} is an apocalyptic number.

It is an amenable number.

20211103344041 is a deficient number, since it is larger than the sum of its proper divisors (1933532251).

20211103344041 is a wasteful number, since it uses less digits than its factorization.

20211103344041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933532250.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20211103344041 its reverse (14044330111202), we get a palindrome (34255433455243).

The spelling of 20211103344041 in words is "twenty trillion, two hundred eleven billion, one hundred three million, three hundred forty-four thousand, forty-one".