11102022221121 has 24 divisors (see below), whose sum is σ = 17276004968040. Its totient is φ = 6829563845376.

The previous prime is 11102022221119. The next prime is 11102022221123. The reversal of 11102022221121 is 12112222020111.

It is an interprime number because it is at equal distance from previous prime (11102022221119) and next prime (11102022221123).

It can be written as a sum of positive squares in 4 ways, for example, as 358777040400 + 10743245180721 = 598980^2 + 3277689^2 .

It is not a de Polignac number, because 11102022221121 - 2¹ = 11102022221119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102022221094 and 11102022221103.

It is not an unprimeable number, because it can be changed into a prime (11102022221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16684996 + ... + 17337621.

It is an arithmetic number, because the mean of its divisors is an integer number (719833540335).

Almost surely, 2^{11102022221121} is an apocalyptic number.

It is an amenable number.

11102022221121 is a deficient number, since it is larger than the sum of its proper divisors (6173982746919).

11102022221121 is a wasteful number, since it uses less digits than its factorization.

11102022221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025425 (or 34025422 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11102022221121 its reverse (12112222020111), we get a palindrome (23214244241232).

The spelling of 11102022221121 in words is "eleven trillion, one hundred two billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".