22020011011 has 4 divisors (see below), whose sum is σ = 22238031024. Its totient is φ = 21801991000.

The previous prime is 22020010973. The next prime is 22020011017. The reversal of 22020011011 is 11011002022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22020011011 - 2¹³ = 22020002819 is a prime.

It is a super-2 number, since 2×22020011011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020011017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109009855 + ... + 109010056.

It is an arithmetic number, because the mean of its divisors is an integer number (5559507756).

Almost surely, 2^22020011011 is an apocalyptic number.

22020011011 is a deficient number, since it is larger than the sum of its proper divisors (218020013).

22020011011 is a wasteful number, since it uses less digits than its factorization.

22020011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218020012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22020011011 its reverse (11011002022), we get a palindrome (33031013033).

The spelling of 22020011011 in words is "twenty-two billion, twenty million, eleven thousand, eleven".