343220343120111 has 32 divisors (see below), whose sum is σ = 486525572467200. Its totient is φ = 214605361180800.

The previous prime is 343220343120101. The next prime is 343220343120203. The reversal of 343220343120111 is 111021343022343.

It is not a de Polignac number, because 343220343120111 - 2¹¹ = 343220343118063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343220343120101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62050645 + ... + 67355201.

It is an arithmetic number, because the mean of its divisors is an integer number (15203924139600).

Almost surely, 2^{343220343120111} is an apocalyptic number.

343220343120111 is a deficient number, since it is larger than the sum of its proper divisors (143305229347089).

343220343120111 is a wasteful number, since it uses less digits than its factorization.

343220343120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315919.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 343220343120111 its reverse (111021343022343), we get a palindrome (454241686142454).

The spelling of 343220343120111 in words is "three hundred forty-three trillion, two hundred twenty billion, three hundred forty-three million, one hundred twenty thousand, one hundred eleven".