222111332987 has 2 divisors, whose sum is σ = 222111332988. Its totient is φ = 222111332986.

The previous prime is 222111332981. The next prime is 222111333013. The reversal of 222111332987 is 789233111222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222111332987 - 2⁶ = 222111332923 is a prime.

It is not a weakly prime, because it can be changed into another prime (222111332981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055666493 + 111055666494.

It is an arithmetic number, because the mean of its divisors is an integer number (111055666494).

Almost surely, 2^222111332987 is an apocalyptic number.

222111332987 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111332987 is an equidigital number, since it uses as much as digits as its factorization.

222111332987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The spelling of 222111332987 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-two thousand, nine hundred eighty-seven".