11011022121111 has 8 divisors (see below), whose sum is σ = 14684169456384. Its totient is φ = 7339278099960.

The previous prime is 11011022120963. The next prime is 11011022121179. The reversal of 11011022121111 is 11112122011011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11011022121111 - 2¹¹ = 11011022119063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011022121181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350810221 + ... + 350841606.

It is an arithmetic number, because the mean of its divisors is an integer number (1835521182048).

Almost surely, 2^{11011022121111} is an apocalyptic number.

11011022121111 is a deficient number, since it is larger than the sum of its proper divisors (3673147335273).

11011022121111 is an equidigital number, since it uses as much as digits as its factorization.

11011022121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701657061.

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

Adding to 11011022121111 its reverse (11112122011011), we get a palindrome (22123144132122).

The spelling of 11011022121111 in words is "eleven trillion, eleven billion, twenty-two million, one hundred twenty-one thousand, one hundred eleven".