11221011101211 has 16 divisors (see below), whose sum is σ = 15446157662208. Its totient is φ = 7240386376800.

The previous prime is 11221011101203. The next prime is 11221011101219. The reversal of 11221011101211 is 11210111012211.

It is an interprime number because it is at equal distance from previous prime (11221011101203) and next prime (11221011101219).

It is not a de Polignac number, because 11221011101211 - 2³ = 11221011101203 is a prime.

It is a super-2 number, since 2×11221011101211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221011101219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264612805 + ... + 264655206.

It is an arithmetic number, because the mean of its divisors is an integer number (965384853888).

Almost surely, 2^{11221011101211} is an apocalyptic number.

11221011101211 is a deficient number, since it is larger than the sum of its proper divisors (4225146560997).

11221011101211 is a wasteful number, since it uses less digits than its factorization.

11221011101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529268242.

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

Adding to 11221011101211 its reverse (11210111012211), we get a palindrome (22431122113422).

The spelling of 11221011101211 in words is "eleven trillion, two hundred twenty-one billion, eleven million, one hundred one thousand, two hundred eleven".