1002211100897 has 2 divisors, whose sum is σ = 1002211100898. Its totient is φ = 1002211100896.

The previous prime is 1002211100861. The next prime is 1002211101019. The reversal of 1002211100897 is 7980011122001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891949913761 + 110261187136 = 944431^2 + 332056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002211100897 - 2⁸ = 1002211100641 is a prime.

It is a super-2 number, since 2×1002211100897² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002211100837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501105550448 + 501105550449.

It is an arithmetic number, because the mean of its divisors is an integer number (501105550449).

Almost surely, 2^{1002211100897} is an apocalyptic number.

It is an amenable number.

1002211100897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002211100897 is an equidigital number, since it uses as much as digits as its factorization.

1002211100897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

Adding to 1002211100897 its reverse (7980011122001), we get a palindrome (8982222222898).

The spelling of 1002211100897 in words is "one trillion, two billion, two hundred eleven million, one hundred thousand, eight hundred ninety-seven".