22011222202011 has 96 divisors (see below), whose sum is σ = 38493744307200. Its totient is φ = 11848511169792.

The previous prime is 22011222202009. The next prime is 22011222202027. The reversal of 22011222202011 is 11020222211022.

It is a happy number.

22011222202011 is a `hidden beast` number, since 220 + 1 + 1 + 22 + 220 + 201 + 1 = 666.

It is not a de Polignac number, because 22011222202011 - 2¹ = 22011222202009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011222282011) 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 95 ways as a sum of consecutive naturals, for example, 37835965 + ... + 38413313.

It is an arithmetic number, because the mean of its divisors is an integer number (400976503200).

Almost surely, 2^{22011222202011} is an apocalyptic number.

22011222202011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22011222202011 is a deficient number, since it is larger than the sum of its proper divisors (16482522105189).

22011222202011 is a wasteful number, since it uses less digits than its factorization.

22011222202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577785 (or 577782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011222202011 its reverse (11020222211022), we get a palindrome (33031444413033).

The spelling of 22011222202011 in words is "twenty-two trillion, eleven billion, two hundred twenty-two million, two hundred two thousand, eleven".