111200222101211 has 2 divisors, whose sum is σ = 111200222101212. Its totient is φ = 111200222101210.

The previous prime is 111200222101169. The next prime is 111200222101231. The reversal of 111200222101211 is 112101222002111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111200222101211 - 2¹⁸ = 111200221839067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111200222101211.

It is not a weakly prime, because it can be changed into another prime (111200222101231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600111050605 + 55600111050606.

It is an arithmetic number, because the mean of its divisors is an integer number (55600111050606).

Almost surely, 2^{111200222101211} is an apocalyptic number.

111200222101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200222101211 is an equidigital number, since it uses as much as digits as its factorization.

111200222101211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111200222101211 its reverse (112101222002111), we get a palindrome (223301444103322).

The spelling of 111200222101211 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".