222111331087 has 2 divisors, whose sum is σ = 222111331088. Its totient is φ = 222111331086.

The previous prime is 222111331073. The next prime is 222111331109. The reversal of 222111331087 is 780133111222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222111331087 - 2¹¹ = 222111329039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222111331487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055665543 + 111055665544.

It is an arithmetic number, because the mean of its divisors is an integer number (111055665544).

Almost surely, 2^222111331087 is an apocalyptic number.

222111331087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111331087 is an equidigital number, since it uses as much as digits as its factorization.

222111331087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 222111331087 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-one thousand, eighty-seven".