22121100011 has 16 divisors (see below), whose sum is σ = 23313248064. Its totient is φ = 20948573184.

The previous prime is 22121099989. The next prime is 22121100013. The reversal of 22121100011 is 11000112122.

It is a cyclic number.

It is not a de Polignac number, because 22121100011 - 2¹⁴ = 22121083627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22121099965 and 22121100001.

It is not an unprimeable number, because it can be changed into a prime (22121100013) 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, 2586935 + ... + 2595471.

It is an arithmetic number, because the mean of its divisors is an integer number (1457078004).

Almost surely, 2^22121100011 is an apocalyptic number.

22121100011 is a deficient number, since it is larger than the sum of its proper divisors (1192148053).

22121100011 is a wasteful number, since it uses less digits than its factorization.

22121100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22121100011 its reverse (11000112122), we get a palindrome (33121212133).

The spelling of 22121100011 in words is "twenty-two billion, one hundred twenty-one million, one hundred thousand, eleven".