11221110011011 has 4 divisors (see below), whose sum is σ = 11221160071672. Its totient is φ = 11221059950352.

The previous prime is 11221110011003. The next prime is 11221110011057. The reversal of 11221110011011 is 11011001112211.

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 11221110011011 - 2³ = 11221110011003 is a prime.

It is a super-2 number, since 2×11221110011011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221110010982 and 11221110011000.

It is not an unprimeable number, because it can be changed into a prime (11221110011611) 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, 24692586 + ... + 25142911.

It is an arithmetic number, because the mean of its divisors is an integer number (2805290017918).

Almost surely, 2^{11221110011011} is an apocalyptic number.

11221110011011 is a deficient number, since it is larger than the sum of its proper divisors (50060661).

11221110011011 is an equidigital number, since it uses as much as digits as its factorization.

11221110011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50060660.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11221110011011 its reverse (11011001112211), we get a palindrome (22232111123222).

The spelling of 11221110011011 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, eleven thousand, eleven".