11022111122121 has 24 divisors (see below), whose sum is σ = 17370815267520. Its totient is φ = 6679051898400.

The previous prime is 11022111122101. The next prime is 11022111122147. The reversal of 11022111122121 is 12122111122011.

It is a happy number.

11022111122121 is a `hidden beast` number, since 110 + 221 + 111 + 221 + 2 + 1 = 666.

It is not a de Polignac number, because 11022111122121 - 2¹³ = 11022111113929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11022111122094 and 11022111122103.

It is not an unprimeable number, because it can be changed into a prime (11022111122101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7807261 + ... + 9110298.

It is an arithmetic number, because the mean of its divisors is an integer number (723783969480).

Almost surely, 2^{11022111122121} is an apocalyptic number.

11022111122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11022111122121 is a deficient number, since it is larger than the sum of its proper divisors (6348704145399).

11022111122121 is a wasteful number, since it uses less digits than its factorization.

11022111122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924157 (or 16924154 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11022111122121 its reverse (12122111122011), we get a palindrome (23144222244132).

The spelling of 11022111122121 in words is "eleven trillion, twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".