22220220021011 has 16 divisors (see below), whose sum is σ = 22515102745344. Its totient is φ = 21926966908704.

The previous prime is 22220220020989. The next prime is 22220220021017. The reversal of 22220220021011 is 11012002202222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22220220021011 - 2²⁶ = 22220152912147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220220021017) 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 15 ways as a sum of consecutive naturals, for example, 417670265 + ... + 417723461.

It is an arithmetic number, because the mean of its divisors is an integer number (1407193921584).

Almost surely, 2^{22220220021011} is an apocalyptic number.

22220220021011 is a deficient number, since it is larger than the sum of its proper divisors (294882724333).

22220220021011 is a wasteful number, since it uses less digits than its factorization.

22220220021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68410.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220220021011 its reverse (11012002202222), we get a palindrome (33232222223233).

The spelling of 22220220021011 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, eleven".