11220011101211 has 12 divisors (see below), whose sum is σ = 12273456138840. Its totient is φ = 10172215805760.

The previous prime is 11220011101127. The next prime is 11220011101279. The reversal of 11220011101211 is 11210111002211.

It is not a de Polignac number, because 11220011101211 - 2¹⁰ = 11220011100187 is a prime.

It is a super-2 number, since 2×11220011101211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220011121211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2304926 + ... + 5268083.

It is an arithmetic number, because the mean of its divisors is an integer number (1022788011570).

Almost surely, 2^{11220011101211} is an apocalyptic number.

11220011101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220011101211 is a deficient number, since it is larger than the sum of its proper divisors (1053445037629).

11220011101211 is an frugal number, since it uses more digits than its factorization.

11220011101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573754 (or 7573387 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11220011101211 its reverse (11210111002211), we get a palindrome (22430122103422).

The spelling of 11220011101211 in words is "eleven trillion, two hundred twenty billion, eleven million, one hundred one thousand, two hundred eleven".