20220102211 has 4 divisors (see below), whose sum is σ = 20220598000. Its totient is φ = 20219606424.

The previous prime is 20220102137. The next prime is 20220102281. The reversal of 20220102211 is 11220102202.

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 20220102211 - 2⁷ = 20220102083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220102191 and 20220102200.

It is not an unprimeable number, because it can be changed into a prime (20220102281) 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, 180636 + ... + 270313.

It is an arithmetic number, because the mean of its divisors is an integer number (5055149500).

Almost surely, 2^20220102211 is an apocalyptic number.

20220102211 is a deficient number, since it is larger than the sum of its proper divisors (495789).

20220102211 is an equidigital number, since it uses as much as digits as its factorization.

20220102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495788.

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

Adding to 20220102211 its reverse (11220102202), we get a palindrome (31440204413).

Subtracting from 20220102211 its reverse (11220102202), we obtain a palindrome (9000000009).

The spelling of 20220102211 in words is "twenty billion, two hundred twenty million, one hundred two thousand, two hundred eleven".