111100131120211 has 2 divisors, whose sum is σ = 111100131120212. Its totient is φ = 111100131120210.

The previous prime is 111100131120179. The next prime is 111100131120221. The reversal of 111100131120211 is 112021131001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100131120211 - 2⁵ = 111100131120179 is a prime.

It is not a weakly prime, because it can be changed into another prime (111100131120221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550065560105 + 55550065560106.

It is an arithmetic number, because the mean of its divisors is an integer number (55550065560106).

Almost surely, 2^{111100131120211} is an apocalyptic number.

111100131120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100131120211 is an equidigital number, since it uses as much as digits as its factorization.

111100131120211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 111100131120211 its reverse (112021131001111), we get a palindrome (223121262121322).

The spelling of 111100131120211 in words is "one hundred eleven trillion, one hundred billion, one hundred thirty-one million, one hundred twenty thousand, two hundred eleven".