222102101987 has 2 divisors, whose sum is σ = 222102101988. Its totient is φ = 222102101986.

The previous prime is 222102101929. The next prime is 222102102083. The reversal of 222102101987 is 789101201222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222102101987 - 2¹⁰ = 222102100963 is a prime.

It is not a weakly prime, because it can be changed into another prime (222102101387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051050993 + 111051050994.

It is an arithmetic number, because the mean of its divisors is an integer number (111051050994).

Almost surely, 2^222102101987 is an apocalyptic number.

222102101987 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102101987 is an equidigital number, since it uses as much as digits as its factorization.

222102101987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 222102101987 in words is "two hundred twenty-two billion, one hundred two million, one hundred one thousand, nine hundred eighty-seven".