22020100211 has 4 divisors (see below), whose sum is σ = 22028225424. Its totient is φ = 22011975000.

The previous prime is 22020100163. The next prime is 22020100241. The reversal of 22020100211 is 11200102022.

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 22020100211 - 2⁶ = 22020100147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020100192 and 22020100201.

It is not an unprimeable number, because it can be changed into a prime (22020100241) 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, 4058540 + ... + 4063961.

It is an arithmetic number, because the mean of its divisors is an integer number (5507056356).

Almost surely, 2^22020100211 is an apocalyptic number.

22020100211 is a deficient number, since it is larger than the sum of its proper divisors (8125213).

22020100211 is an equidigital number, since it uses as much as digits as its factorization.

22020100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125212.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22020100211 its reverse (11200102022), we get a palindrome (33220202233).

The spelling of 22020100211 in words is "twenty-two billion, twenty million, one hundred thousand, two hundred eleven".