1002121221163 has 2 divisors, whose sum is σ = 1002121221164. Its totient is φ = 1002121221162.

The previous prime is 1002121221121. The next prime is 1002121221221. The reversal of 1002121221163 is 3611221212001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002121221163 - 2²¹ = 1002119124011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002121221103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501060610581 + 501060610582.

It is an arithmetic number, because the mean of its divisors is an integer number (501060610582).

Almost surely, 2^{1002121221163} is an apocalyptic number.

1002121221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002121221163 is an equidigital number, since it uses as much as digits as its factorization.

1002121221163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1002121221163 its reverse (3611221212001), we get a palindrome (4613342433164).

The spelling of 1002121221163 in words is "one trillion, two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred sixty-three".