20222221011 has 16 divisors (see below), whose sum is σ = 27296196480. Its totient is φ = 13314963200.

The previous prime is 20222221001. The next prime is 20222221039. The reversal of 20222221011 is 11012222202.

It is a cyclic number.

It is not a de Polignac number, because 20222221011 - 2¹¹ = 20222218963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222221001) 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, 948355 + ... + 969443.

It is an arithmetic number, because the mean of its divisors is an integer number (1706012280).

Almost surely, 2^20222221011 is an apocalyptic number.

20222221011 is a deficient number, since it is larger than the sum of its proper divisors (7073975469).

20222221011 is a wasteful number, since it uses less digits than its factorization.

20222221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25026.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222221011 its reverse (11012222202), we get a palindrome (31234443213).

The spelling of 20222221011 in words is "twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, eleven".