21341330211131 has 8 divisors (see below), whose sum is σ = 25673780705280. Its totient is φ = 17329801975848.

The previous prime is 21341330211109. The next prime is 21341330211161. The reversal of 21341330211131 is 13111203314312.

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 21341330211131 - 2²² = 21341326016827 is a prime.

It is a super-2 number, since 2×21341330211131² (a number of 27 digits) contains 22 as substring.

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 21341330211131.

It is not an unprimeable number, because it can be changed into a prime (21341330211101) 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, 80230564571 + ... + 80230564836.

It is an arithmetic number, because the mean of its divisors is an integer number (3209222588160).

Almost surely, 2^{21341330211131} is an apocalyptic number.

21341330211131 is a deficient number, since it is larger than the sum of its proper divisors (4332450494149).

21341330211131 is a wasteful number, since it uses less digits than its factorization.

21341330211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160461129433.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 21341330211131 its reverse (13111203314312), we get a palindrome (34452533525443).

The spelling of 21341330211131 in words is "twenty-one trillion, three hundred forty-one billion, three hundred thirty million, two hundred eleven thousand, one hundred thirty-one".