111144402211 has 2 divisors, whose sum is σ = 111144402212. Its totient is φ = 111144402210.

The previous prime is 111144402203. The next prime is 111144402247. The reversal of 111144402211 is 112204441111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111144402211 - 2³ = 111144402203 is a prime.

It is not a weakly prime, because it can be changed into another prime (111144402511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55572201105 + 55572201106.

It is an arithmetic number, because the mean of its divisors is an integer number (55572201106).

Almost surely, 2^111144402211 is an apocalyptic number.

111144402211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111144402211 is an equidigital number, since it uses as much as digits as its factorization.

111144402211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111144402211 its reverse (112204441111), we get a palindrome (223348843322).

The spelling of 111144402211 in words is "one hundred eleven billion, one hundred forty-four million, four hundred two thousand, two hundred eleven".