22102002211 has 4 divisors (see below), whose sum is σ = 22102548624. Its totient is φ = 22101455800.

The previous prime is 22102002163. The next prime is 22102002217. The reversal of 22102002211 is 11220020122.

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 22102002211 - 2²¹ = 22099905059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102002191 and 22102002200.

It is not an unprimeable number, because it can be changed into a prime (22102002217) 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, 207220 + ... + 295201.

It is an arithmetic number, because the mean of its divisors is an integer number (5525637156).

Almost surely, 2^22102002211 is an apocalyptic number.

22102002211 is a deficient number, since it is larger than the sum of its proper divisors (546413).

22102002211 is an equidigital number, since it uses as much as digits as its factorization.

22102002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546412.

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

Adding to 22102002211 its reverse (11220020122), we get a palindrome (33322022333).

The spelling of 22102002211 in words is "twenty-two billion, one hundred two million, two thousand, two hundred eleven".