22011101121 has 8 divisors (see below), whose sum is σ = 29349329184. Its totient is φ = 14673470240.

The previous prime is 22011101111. The next prime is 22011101173. The reversal of 22011101121 is 12110111022.

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

It is a cyclic number.

It is not a de Polignac number, because 22011101121 - 2³³ = 13421166529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011101097 and 22011101106.

It is not an unprimeable number, because it can be changed into a prime (22011101111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54735 + ... + 216836.

It is an arithmetic number, because the mean of its divisors is an integer number (3668666148).

Almost surely, 2^22011101121 is an apocalyptic number.

It is an amenable number.

22011101121 is a deficient number, since it is larger than the sum of its proper divisors (7338228063).

22011101121 is a wasteful number, since it uses less digits than its factorization.

22011101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298591.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22011101121 its reverse (12110111022), we get a palindrome (34121212143).

Subtracting from 22011101121 its reverse (12110111022), we obtain a palindrome (9900990099).

The spelling of 22011101121 in words is "twenty-two billion, eleven million, one hundred one thousand, one hundred twenty-one".