10101010111011 has 10 divisors (see below), whose sum is σ = 15089163252372. Its totient is φ = 6734006740620.

The previous prime is 10101010110937. The next prime is 10101010111039. The reversal of 10101010111011 is 11011101010101.

It is not a de Polignac number, because 10101010111011 - 2³⁸ = 9826132204067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101010110984 and 10101010111002.

It is not an unprimeable number, because it can be changed into a prime (10101010111081) 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 in 9 ways as a sum of consecutive naturals, for example, 62351914185 + ... + 62351914346.

Almost surely, 2^{10101010111011} is an apocalyptic number.

10101010111011 is a deficient number, since it is larger than the sum of its proper divisors (4988153141361).

10101010111011 is an equidigital number, since it uses as much as digits as its factorization.

10101010111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124703828543 (or 124703828534 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 10101010111011 its reverse (11011101010101), we get a palindrome (21112111121112).

It can be divided in two parts, 101010101 and 11011, that multiplied together give a palindrome (1112222222111).

The spelling of 10101010111011 in words is "ten trillion, one hundred one billion, ten million, one hundred eleven thousand, eleven".