2111143323430 has 32 divisors (see below), whose sum is σ = 3923202769920. Its totient is φ = 817099630560.

The previous prime is 2111143323407. The next prime is 2111143323449. The reversal of 2111143323430 is 343233411112.

It is a super-2 number, since 2×2111143323430² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1693801 + ... + 2662939.

It is an arithmetic number, because the mean of its divisors is an integer number (122600086560).

Almost surely, 2^{2111143323430} is an apocalyptic number.

2111143323430 is a deficient number, since it is larger than the sum of its proper divisors (1812059446490).

2111143323430 is a wasteful number, since it uses less digits than its factorization.

2111143323430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976204.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 2111143323430 its reverse (343233411112), we get a palindrome (2454376734542).

The spelling of 2111143323430 in words is "two trillion, one hundred eleven billion, one hundred forty-three million, three hundred twenty-three thousand, four hundred thirty".