21241131213311 has 8 divisors (see below), whose sum is σ = 22928957232480. Its totient is φ = 19616996742112.

The previous prime is 21241131213307. The next prime is 21241131213331. The reversal of 21241131213311 is 11331213114212.

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 21241131213311 - 2² = 21241131213307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21241131213331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15922886300 + ... + 15922887633.

It is an arithmetic number, because the mean of its divisors is an integer number (2866119654060).

Almost surely, 2^{21241131213311} is an apocalyptic number.

21241131213311 is a deficient number, since it is larger than the sum of its proper divisors (1687826019169).

21241131213311 is a wasteful number, since it uses less digits than its factorization.

21241131213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31845773985.

The product of its digits is 864, while the sum is 26.

Adding to 21241131213311 its reverse (11331213114212), we get a palindrome (32572344327523).

The spelling of 21241131213311 in words is "twenty-one trillion, two hundred forty-one billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred eleven".