111203212343 has 2 divisors, whose sum is σ = 111203212344. Its totient is φ = 111203212342.

The previous prime is 111203212319. The next prime is 111203212349. The reversal of 111203212343 is 343212302111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111203212343 - 2²⁶ = 111136103479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111203212349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601606171 + 55601606172.

It is an arithmetic number, because the mean of its divisors is an integer number (55601606172).

Almost surely, 2^111203212343 is an apocalyptic number.

111203212343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111203212343 is an equidigital number, since it uses as much as digits as its factorization.

111203212343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111203212343 its reverse (343212302111), we get a palindrome (454415514454).

The spelling of 111203212343 in words is "one hundred eleven billion, two hundred three million, two hundred twelve thousand, three hundred forty-three".