21134322141213 has 8 divisors (see below), whose sum is σ = 28179117547776. Its totient is φ = 14089537414400.

The previous prime is 21134322141167. The next prime is 21134322141329. The reversal of 21134322141213 is 31214122343112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21134322141213 is a prime.

It is a super-2 number, since 2×21134322141213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21134322141113) 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, 5661748 + ... + 8621138.

It is an arithmetic number, because the mean of its divisors is an integer number (3522389693472).

Almost surely, 2^{21134322141213} is an apocalyptic number.

It is an amenable number.

21134322141213 is a deficient number, since it is larger than the sum of its proper divisors (7044795406563).

21134322141213 is a wasteful number, since it uses less digits than its factorization.

21134322141213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339875.

The product of its digits is 6912, while the sum is 30.

Adding to 21134322141213 its reverse (31214122343112), we get a palindrome (52348444484325).

The spelling of 21134322141213 in words is "twenty-one trillion, one hundred thirty-four billion, three hundred twenty-two million, one hundred forty-one thousand, two hundred thirteen".