1101010010101 has 2 divisors, whose sum is σ = 1101010010102. Its totient is φ = 1101010010100.

The previous prime is 1101010010099. The next prime is 1101010010119. The reversal of 1101010010101 is 1010100101011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033477593201 + 67532416900 = 1016601^2 + 259870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101010010101 - 2¹ = 1101010010099 is a prime.

Together with 1101010010099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101010016101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550505005050 + 550505005051.

It is an arithmetic number, because the mean of its divisors is an integer number (550505005051).

Almost surely, 2^{1101010010101} is an apocalyptic number.

It is an amenable number.

1101010010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101010010101 is an equidigital number, since it uses as much as digits as its factorization.

1101010010101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1101010010101 its reverse (1010100101011), we get a palindrome (2111110111112).

The spelling of 1101010010101 in words is "one trillion, one hundred one billion, ten million, ten thousand, one hundred one".