11022212021121 has 48 divisors (see below), whose sum is σ = 18402426806400. Its totient is φ = 6226762823424.

The previous prime is 11022212021101. The next prime is 11022212021129. The reversal of 11022212021121 is 12112021222011.

11022212021121 is a `hidden beast` number, since 110 + 222 + 120 + 211 + 2 + 1 = 666.

It is not a de Polignac number, because 11022212021121 - 2¹⁹ = 11022211496833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11022212021094 and 11022212021103.

It is not an unprimeable number, because it can be changed into a prime (11022212021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40835835 + ... + 41104863.

It is an arithmetic number, because the mean of its divisors is an integer number (383383891800).

Almost surely, 2^{11022212021121} is an apocalyptic number.

It is an amenable number.

11022212021121 is a deficient number, since it is larger than the sum of its proper divisors (7380214785279).

11022212021121 is a wasteful number, since it uses less digits than its factorization.

11022212021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276438 (or 276435 counting only the distinct ones).

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

Adding to 11022212021121 its reverse (12112021222011), we get a palindrome (23134233243132).

The spelling of 11022212021121 in words is "eleven trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred twenty-one".