21443213235114 has 160 divisors (see below), whose sum is σ = 55062833443200. Its totient is φ = 6173708112000.

The previous prime is 21443213235109. The next prime is 21443213235221. The reversal of 21443213235114 is 41153231234412.

21443213235114 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 3 + 2 + 132 + 3 + 511 + 4 = 666.

It is a super-2 number, since 2×21443213235114² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4351264 + ... + 7862564.

It is an arithmetic number, because the mean of its divisors is an integer number (344142709020).

Almost surely, 2^{21443213235114} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21443213235114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27531416721600).

21443213235114 is an abundant number, since it is smaller than the sum of its proper divisors (33619620208086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21443213235114 is a wasteful number, since it uses less digits than its factorization.

21443213235114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511498 (or 3511489 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 21443213235114 its reverse (41153231234412), we get a palindrome (62596444469526).

The spelling of 21443213235114 in words is "twenty-one trillion, four hundred forty-three billion, two hundred thirteen million, two hundred thirty-five thousand, one hundred fourteen".