11013111013211 has 8 divisors (see below), whose sum is σ = 11202395224560. Its totient is φ = 10823914179072.

The previous prime is 11013111013181. The next prime is 11013111013273. The reversal of 11013111013211 is 11231011131011.

It is a happy number.

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 11013111013211 - 2²² = 11013106818907 is a prime.

It is a super-2 number, since 2×11013111013211² (a number of 27 digits) contains 22 as substring.

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 11013111013211.

It is not an unprimeable number, because it can be changed into a prime (11013111016211) 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, 21590030 + ... + 22094243.

It is an arithmetic number, because the mean of its divisors is an integer number (1400299403070).

Almost surely, 2^{11013111013211} is an apocalyptic number.

11013111013211 is a deficient number, since it is larger than the sum of its proper divisors (189284211349).

11013111013211 is an equidigital number, since it uses as much as digits as its factorization.

11013111013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43688605.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 11013111013211 its reverse (11231011131011), we get a palindrome (22244122144222).

The spelling of 11013111013211 in words is "eleven trillion, thirteen billion, one hundred eleven million, thirteen thousand, two hundred eleven".