22020201211 has 4 divisors (see below), whose sum is σ = 22225997592. Its totient is φ = 21814404832.

The previous prime is 22020201179. The next prime is 22020201223. The reversal of 22020201211 is 11210202022.

It is a happy number.

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 22020201211 - 2⁵ = 22020201179 is a prime.

It is a super-2 number, since 2×22020201211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020201191 and 22020201200.

It is not an unprimeable number, because it can be changed into a prime (22020201241) 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, 102898030 + ... + 102898243.

It is an arithmetic number, because the mean of its divisors is an integer number (5556499398).

Almost surely, 2^22020201211 is an apocalyptic number.

22020201211 is a deficient number, since it is larger than the sum of its proper divisors (205796381).

22020201211 is a wasteful number, since it uses less digits than its factorization.

22020201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205796380.

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

Adding to 22020201211 its reverse (11210202022), we get a palindrome (33230403233).

The spelling of 22020201211 in words is "twenty-two billion, twenty million, two hundred one thousand, two hundred eleven".