11211113011 has 8 divisors (see below), whose sum is σ = 12813348960. Its totient is φ = 9609039168.

The previous prime is 11211113009. The next prime is 11211113059. The reversal of 11211113011 is 11031111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211113011 - 2¹ = 11211113009 is a prime.

It is a super-2 number, since 2×11211113011² (a number of 21 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 = 11211112982 and 11211113000.

It is not an unprimeable number, because it can be changed into a prime (11211113911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215655 + ... + 262543.

It is an arithmetic number, because the mean of its divisors is an integer number (1601668620).

Almost surely, 2^11211113011 is an apocalyptic number.

11211113011 is a deficient number, since it is larger than the sum of its proper divisors (1602235949).

11211113011 is an equidigital number, since it uses as much as digits as its factorization.

11211113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81053.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11211113011 its reverse (11031111211), we get a palindrome (22242224222).

The spelling of 11211113011 in words is "eleven billion, two hundred eleven million, one hundred thirteen thousand, eleven".