1000002201893 has 2 divisors, whose sum is σ = 1000002201894. Its totient is φ = 1000002201892.

The previous prime is 1000002201811. The next prime is 1000002201901. The reversal of 1000002201893 is 3981022000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500411930404 + 499590271489 = 707398^2 + 706817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000002201893 - 2³⁰ = 998928460069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000002101893) 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, 500001100946 + 500001100947.

It is an arithmetic number, because the mean of its divisors is an integer number (500001100947).

Almost surely, 2^{1000002201893} is an apocalyptic number.

It is an amenable number.

1000002201893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000002201893 is an equidigital number, since it uses as much as digits as its factorization.

1000002201893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 1000002201893 its reverse (3981022000001), we get a palindrome (4981024201894).

The spelling of 1000002201893 in words is "one trillion, two million, two hundred one thousand, eight hundred ninety-three".