222102202201987 has 2 divisors, whose sum is σ = 222102202201988. Its totient is φ = 222102202201986.

The previous prime is 222102202201961. The next prime is 222102202202029. The reversal of 222102202201987 is 789102202201222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222102202201987 is a prime.

It is not a weakly prime, because it can be changed into another prime (222102202205987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051101100993 + 111051101100994.

It is an arithmetic number, because the mean of its divisors is an integer number (111051101100994).

Almost surely, 2^{222102202201987} is an apocalyptic number.

222102202201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102202201987 is an equidigital number, since it uses as much as digits as its factorization.

222102202201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 222102202201987 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred two million, two hundred one thousand, nine hundred eighty-seven".