2143424134111 has 16 divisors (see below), whose sum is σ = 2473762947264. Its totient is φ = 1841372400384.

The previous prime is 2143424134091. The next prime is 2143424134139. The reversal of 2143424134111 is 1114314243412.

It is not a de Polignac number, because 2143424134111 - 2⁵ = 2143424134079 is a prime.

It is a super-2 number, since 2×2143424134111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143424134151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96862486 + ... + 96884611.

It is an arithmetic number, because the mean of its divisors is an integer number (154610184204).

Almost surely, 2^{2143424134111} is an apocalyptic number.

2143424134111 is a deficient number, since it is larger than the sum of its proper divisors (330338813153).

2143424134111 is a wasteful number, since it uses less digits than its factorization.

2143424134111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193747170.

The product of its digits is 9216, while the sum is 31.

Adding to 2143424134111 its reverse (1114314243412), we get a palindrome (3257738377523).

The spelling of 2143424134111 in words is "two trillion, one hundred forty-three billion, four hundred twenty-four million, one hundred thirty-four thousand, one hundred eleven".