11221101211011 has 8 divisors (see below), whose sum is σ = 15365832289104. Its totient is φ = 7278552136800.

The previous prime is 11221101210941. The next prime is 11221101211027. The reversal of 11221101211011 is 11011210112211.

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

It is not a de Polignac number, because 11221101211011 - 2⁹ = 11221101210499 is a prime.

It is a super-3 number, since 3×11221101211011³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11221101211081) 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, 50545500840 + ... + 50545501061.

It is an arithmetic number, because the mean of its divisors is an integer number (1920729036138).

Almost surely, 2^{11221101211011} is an apocalyptic number.

11221101211011 is a deficient number, since it is larger than the sum of its proper divisors (4144731078093).

11221101211011 is a wasteful number, since it uses less digits than its factorization.

11221101211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101091001941.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11221101211011 its reverse (11011210112211), we get a palindrome (22232311323222).

The spelling of 11221101211011 in words is "eleven trillion, two hundred twenty-one billion, one hundred one million, two hundred eleven thousand, eleven".