21041041311211 has 8 divisors (see below), whose sum is σ = 21055268983104. Its totient is φ = 21026814183240.

The previous prime is 21041041311151. The next prime is 21041041311223. The reversal of 21041041311211 is 11211314014012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21041041311211 - 2²¹ = 21041039214059 is a prime.

It is a super-4 number, since 4×21041041311211⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21041041311281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104028000 + ... + 104230066.

It is an arithmetic number, because the mean of its divisors is an integer number (2631908622888).

Almost surely, 2^{21041041311211} is an apocalyptic number.

21041041311211 is a deficient number, since it is larger than the sum of its proper divisors (14227671893).

21041041311211 is a wasteful number, since it uses less digits than its factorization.

21041041311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271961.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 21041041311211 its reverse (11211314014012), we get a palindrome (32252355325223).

The spelling of 21041041311211 in words is "twenty-one trillion, forty-one billion, forty-one million, three hundred eleven thousand, two hundred eleven".