10011010111111 has 4 divisors (see below), whose sum is σ = 10020931826800. Its totient is φ = 10001088395424.

The previous prime is 10011010111093. The next prime is 10011010111169. The reversal of 10011010111111 is 11111101011001.

It is a happy number.

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 10011010111111 - 2²⁹ = 10010473240199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011010111811) 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, 4960856331 + ... + 4960858348.

It is an arithmetic number, because the mean of its divisors is an integer number (2505232956700).

Almost surely, 2^{10011010111111} is an apocalyptic number.

10011010111111 is a deficient number, since it is larger than the sum of its proper divisors (9921715689).

10011010111111 is an equidigital number, since it uses as much as digits as its factorization.

10011010111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921715688.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 10011010111111 its reverse (11111101011001), we get a palindrome (21122111122112).

The spelling of 10011010111111 in words is "ten trillion, eleven billion, ten million, one hundred eleven thousand, one hundred eleven".