1002222001189 has 2 divisors, whose sum is σ = 1002222001190. Its totient is φ = 1002222001188.

The previous prime is 1002222001169. The next prime is 1002222001219. The reversal of 1002222001189 is 9811002222001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988960636225 + 13261364964 = 994465^2 + 115158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002222001189 - 2⁹ = 1002222000677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002222001159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501111000594 + 501111000595.

It is an arithmetic number, because the mean of its divisors is an integer number (501111000595).

Almost surely, 2^{1002222001189} is an apocalyptic number.

It is an amenable number.

1002222001189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002222001189 is an equidigital number, since it uses as much as digits as its factorization.

1002222001189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1002222001189 in words is "one trillion, two billion, two hundred twenty-two million, one thousand, one hundred eighty-nine".