1101100201001 has 2 divisors, whose sum is σ = 1101100201002. Its totient is φ = 1101100201000.

The previous prime is 1101100200947. The next prime is 1101100201007. The reversal of 1101100201001 is 1001020011011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977320074025 + 123780126976 = 988595^2 + 351824^2 .

It is an emirp because it is prime and its reverse (1001020011011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101100201001 - 2¹⁸ = 1101099938857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101100201001.

It is not a weakly prime, because it can be changed into another prime (1101100201007) 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, 550550100500 + 550550100501.

It is an arithmetic number, because the mean of its divisors is an integer number (550550100501).

Almost surely, 2^{1101100201001} is an apocalyptic number.

It is an amenable number.

1101100201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101100201001 is an equidigital number, since it uses as much as digits as its factorization.

1101100201001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1101100201001 its reverse (1001020011011), we get a palindrome (2102120212012).

The spelling of 1101100201001 in words is "one trillion, one hundred one billion, one hundred million, two hundred one thousand, one".