22021110011 has 8 divisors (see below), whose sum is σ = 22082440800. Its totient is φ = 21959828352.

The previous prime is 22021109941. The next prime is 22021110043. The reversal of 22021110011 is 11001112022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021110011 is a prime.

It is a super-2 number, since 2×22021110011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021109974 and 22021110001.

It is not an unprimeable number, because it can be changed into a prime (22021110071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999290 + ... + 1021088.

It is an arithmetic number, because the mean of its divisors is an integer number (2760305100).

Almost surely, 2^22021110011 is an apocalyptic number.

22021110011 is a deficient number, since it is larger than the sum of its proper divisors (61330789).

22021110011 is a wasteful number, since it uses less digits than its factorization.

22021110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24565.

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

Adding to 22021110011 its reverse (11001112022), we get a palindrome (33022222033).

The spelling of 22021110011 in words is "twenty-two billion, twenty-one million, one hundred ten thousand, eleven".