1002220987237 has 2 divisors, whose sum is σ = 1002220987238. Its totient is φ = 1002220987236.

The previous prime is 1002220987211. The next prime is 1002220987253. The reversal of 1002220987237 is 7327890222001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990331483716 + 11889503521 = 995154^2 + 109039^2 .

It is an emirp because it is prime and its reverse (7327890222001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002220987237 - 2¹⁹ = 1002220462949 is a prime.

It is a super-3 number, since 3×1002220987237³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002220987193 and 1002220987202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002220987267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110493618 + 501110493619.

It is an arithmetic number, because the mean of its divisors is an integer number (501110493619).

Almost surely, 2^{1002220987237} is an apocalyptic number.

It is an amenable number.

1002220987237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002220987237 is an equidigital number, since it uses as much as digits as its factorization.

1002220987237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 1002220987237 in words is "one trillion, two billion, two hundred twenty million, nine hundred eighty-seven thousand, two hundred thirty-seven".