1002222999979 has 2 divisors, whose sum is σ = 1002222999980. Its totient is φ = 1002222999978.

The previous prime is 1002222999977. The next prime is 1002223000001. The reversal of 1002222999979 is 9799992222001.

It is a weak prime.

It is an emirp because it is prime and its reverse (9799992222001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002222999979 - 2¹ = 1002222999977 is a prime.

Together with 1002222999977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1002222999977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501111499989 + 501111499990.

It is an arithmetic number, because the mean of its divisors is an integer number (501111499990).

Almost surely, 2^{1002222999979} is an apocalyptic number.

1002222999979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002222999979 is an equidigital number, since it uses as much as digits as its factorization.

1002222999979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 1002222999979 in words is "one trillion, two billion, two hundred twenty-two million, nine hundred ninety-nine thousand, nine hundred seventy-nine".