22000221211 has 16 divisors (see below), whose sum is σ = 23461862400. Its totient is φ = 20581311168.

The previous prime is 22000221157. The next prime is 22000221223. The reversal of 22000221211 is 11212200022.

It is a happy number.

It is not a de Polignac number, because 22000221211 - 2¹³ = 22000213019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000221191 and 22000221200.

It is not an unprimeable number, because it can be changed into a prime (22000221511) 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, 1700455 + ... + 1713343.

It is an arithmetic number, because the mean of its divisors is an integer number (1466366400).

Almost surely, 2^22000221211 is an apocalyptic number.

22000221211 is a deficient number, since it is larger than the sum of its proper divisors (1461641189).

22000221211 is a wasteful number, since it uses less digits than its factorization.

22000221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14538.

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

Adding to 22000221211 its reverse (11212200022), we get a palindrome (33212421233).

The spelling of 22000221211 in words is "twenty-two billion, two hundred twenty-one thousand, two hundred eleven".