1002102221213 has 2 divisors, whose sum is σ = 1002102221214. Its totient is φ = 1002102221212.

The previous prime is 1002102221189. The next prime is 1002102221227. The reversal of 1002102221213 is 3121222012001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796568745049 + 205533476164 = 892507^2 + 453358^2 .

It is an emirp because it is prime and its reverse (3121222012001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002102221213 - 2³² = 997807253917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002102221191 and 1002102221200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002102221243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501051110606 + 501051110607.

It is an arithmetic number, because the mean of its divisors is an integer number (501051110607).

Almost surely, 2^{1002102221213} is an apocalyptic number.

It is an amenable number.

1002102221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002102221213 is an equidigital number, since it uses as much as digits as its factorization.

1002102221213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1002102221213 its reverse (3121222012001), we get a palindrome (4123324233214).

The spelling of 1002102221213 in words is "one trillion, two billion, one hundred two million, two hundred twenty-one thousand, two hundred thirteen".