222210011111987 has 2 divisors, whose sum is σ = 222210011111988. Its totient is φ = 222210011111986.

The previous prime is 222210011111939. The next prime is 222210011112031. The reversal of 222210011111987 is 789111110012222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222210011111987 - 2¹² = 222210011107891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222210011111987.

It is not a weakly prime, because it can be changed into another prime (222210011111287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105005555993 + 111105005555994.

It is an arithmetic number, because the mean of its divisors is an integer number (111105005555994).

Almost surely, 2^{222210011111987} is an apocalyptic number.

222210011111987 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210011111987 is an equidigital number, since it uses as much as digits as its factorization.

222210011111987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 38.

The spelling of 222210011111987 in words is "two hundred twenty-two trillion, two hundred ten billion, eleven million, one hundred eleven thousand, nine hundred eighty-seven".