20221022011 has 16 divisors (see below), whose sum is σ = 21532047264. Its totient is φ = 18923805184.

The previous prime is 20221021999. The next prime is 20221022027. The reversal of 20221022011 is 11022012202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20221022011 - 2³¹ = 18073538363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221021982 and 20221022000.

It is not an unprimeable number, because it can be changed into a prime (20221022051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2321781 + ... + 2330473.

It is an arithmetic number, because the mean of its divisors is an integer number (1345752954).

Almost surely, 2^20221022011 is an apocalyptic number.

20221022011 is a deficient number, since it is larger than the sum of its proper divisors (1311025253).

20221022011 is a wasteful number, since it uses less digits than its factorization.

20221022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20221022011 its reverse (11022012202), we get a palindrome (31243034213).

The spelling of 20221022011 in words is "twenty billion, two hundred twenty-one million, twenty-two thousand, eleven".