22200011121 has 16 divisors (see below), whose sum is σ = 30941634560. Its totient is φ = 14141284560.

The previous prime is 22200011117. The next prime is 22200011129. The reversal of 22200011121 is 12111000222.

It is not a de Polignac number, because 22200011121 - 2² = 22200011117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22200011097 and 22200011106.

It is not an unprimeable number, because it can be changed into a prime (22200011129) 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 15 ways as a sum of consecutive naturals, for example, 1503475 + ... + 1518168.

It is an arithmetic number, because the mean of its divisors is an integer number (1933852160).

Almost surely, 2^22200011121 is an apocalyptic number.

It is an amenable number.

22200011121 is a deficient number, since it is larger than the sum of its proper divisors (8741623439).

22200011121 is a wasteful number, since it uses less digits than its factorization.

22200011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021756.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22200011121 its reverse (12111000222), we get a palindrome (34311011343).

The spelling of 22200011121 in words is "twenty-two billion, two hundred million, eleven thousand, one hundred twenty-one".