1100101099897 has 2 divisors, whose sum is σ = 1100101099898. Its totient is φ = 1100101099896.

The previous prime is 1100101099879. The next prime is 1100101100041. The reversal of 1100101099897 is 7989901010011.

Together with previous prime (1100101099879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907559170281 + 192541929616 = 952659^2 + 438796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100101099897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100101099837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050549948 + 550050549949.

It is an arithmetic number, because the mean of its divisors is an integer number (550050549949).

Almost surely, 2^{1100101099897} is an apocalyptic number.

It is an amenable number.

1100101099897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100101099897 is an equidigital number, since it uses as much as digits as its factorization.

1100101099897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 46.

The spelling of 1100101099897 in words is "one trillion, one hundred billion, one hundred one million, ninety-nine thousand, eight hundred ninety-seven".