20411443321101 has 40 divisors (see below), whose sum is σ = 35206297649600. Its totient is φ = 11543437723392.

The previous prime is 20411443321019. The next prime is 20411443321117. The reversal of 20411443321101 is 10112334411402.

It is a happy number.

20411443321101 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 1 + 443 + 3 + 211 + 0 + 1 = 666.

It is not a de Polignac number, because 20411443321101 - 2¹¹ = 20411443319053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411443311101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 185506951 + ... + 185616948.

It is an arithmetic number, because the mean of its divisors is an integer number (880157441240).

Almost surely, 2^{20411443321101} is an apocalyptic number.

20411443321101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20411443321101 is a deficient number, since it is larger than the sum of its proper divisors (14794854328499).

20411443321101 is an equidigital number, since it uses as much as digits as its factorization.

20411443321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371124015 (or 371124006 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 20411443321101 its reverse (10112334411402), we get a palindrome (30523777732503).

The spelling of 20411443321101 in words is "twenty trillion, four hundred eleven billion, four hundred forty-three million, three hundred twenty-one thousand, one hundred one".