20341041111221 has 16 divisors (see below), whose sum is σ = 21172532451840. Its totient is φ = 19521158811840.

The previous prime is 20341041111211. The next prime is 20341041111233. The reversal of 20341041111221 is 12211114014302.

It is a cyclic number.

It is not a de Polignac number, because 20341041111221 - 2³⁴ = 20323861242037 is a prime.

It is a super-2 number, since 2×20341041111221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341041111211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3549866 + ... + 7299563.

It is an arithmetic number, because the mean of its divisors is an integer number (1323283278240).

Almost surely, 2^{20341041111221} is an apocalyptic number.

It is an amenable number.

20341041111221 is a deficient number, since it is larger than the sum of its proper divisors (831491340619).

20341041111221 is a wasteful number, since it uses less digits than its factorization.

20341041111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849964.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 20341041111221 its reverse (12211114014302), we get a palindrome (32552155125523).

The spelling of 20341041111221 in words is "twenty trillion, three hundred forty-one billion, forty-one million, one hundred eleven thousand, two hundred twenty-one".