111213220043 has 2 divisors, whose sum is σ = 111213220044. Its totient is φ = 111213220042.

The previous prime is 111213220007. The next prime is 111213220109. The reversal of 111213220043 is 340022312111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111213220043 - 2¹² = 111213215947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111213219997 and 111213220024.

It is not a weakly prime, because it can be changed into another prime (111213820043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606610021 + 55606610022.

It is an arithmetic number, because the mean of its divisors is an integer number (55606610022).

Almost surely, 2^111213220043 is an apocalyptic number.

111213220043 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213220043 is an equidigital number, since it uses as much as digits as its factorization.

111213220043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111213220043 its reverse (340022312111), we get a palindrome (451235532154).

The spelling of 111213220043 in words is "one hundred eleven billion, two hundred thirteen million, two hundred twenty thousand, forty-three".