11022121120111 has 4 divisors (see below), whose sum is σ = 11033884323952. Its totient is φ = 11010357916272.

The previous prime is 11022121120103. The next prime is 11022121120123. The reversal of 11022121120111 is 11102112122011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11022121120111 - 2³ = 11022121120103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022121120151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5881600515 + ... + 5881602388.

It is an arithmetic number, because the mean of its divisors is an integer number (2758471080988).

Almost surely, 2^{11022121120111} is an apocalyptic number.

11022121120111 is a deficient number, since it is larger than the sum of its proper divisors (11763203841).

11022121120111 is an equidigital number, since it uses as much as digits as its factorization.

11022121120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11763203840.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11022121120111 its reverse (11102112122011), we get a palindrome (22124233242122).

The spelling of 11022121120111 in words is "eleven trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".