1002201999959 has 2 divisors, whose sum is σ = 1002201999960. Its totient is φ = 1002201999958.

The previous prime is 1002201999947. The next prime is 1002202000031. The reversal of 1002201999959 is 9599991022001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9599991022001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002201999959 - 2¹² = 1002201995863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002201999919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100999979 + 501100999980.

It is an arithmetic number, because the mean of its divisors is an integer number (501100999980).

Almost surely, 2^{1002201999959} is an apocalyptic number.

1002201999959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002201999959 is an equidigital number, since it uses as much as digits as its factorization.

1002201999959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1180980, while the sum is 56.

The spelling of 1002201999959 in words is "one trillion, two billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred fifty-nine".