1011010101011 has 4 divisors (see below), whose sum is σ = 1032520954272. Its totient is φ = 989499247752.

The previous prime is 1011010100897. The next prime is 1011010101019. The reversal of 1011010101011 is 1101010101101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011010101011 - 2¹⁴ = 1011010084627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011010101011.

It is not an unprimeable number, because it can be changed into a prime (1011010101019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10755426560 + ... + 10755426653.

It is an arithmetic number, because the mean of its divisors is an integer number (258130238568).

Almost surely, 2^{1011010101011} is an apocalyptic number.

1011010101011 is a deficient number, since it is larger than the sum of its proper divisors (21510853261).

1011010101011 is an equidigital number, since it uses as much as digits as its factorization.

1011010101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21510853260.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1011010101011 its reverse (1101010101101), we get a palindrome (2112020202112).

The spelling of 1011010101011 in words is "one trillion, eleven billion, ten million, one hundred one thousand, eleven".