20220000021211 has 4 divisors (see below), whose sum is σ = 20304602532000. Its totient is φ = 20135397510424.

The previous prime is 20220000021197. The next prime is 20220000021217. The reversal of 20220000021211 is 11212000002202.

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 20220000021211 - 2⁷ = 20220000021083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220000021191 and 20220000021200.

It is not an unprimeable number, because it can be changed into a prime (20220000021217) 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, 42301255036 + ... + 42301255513.

It is an arithmetic number, because the mean of its divisors is an integer number (5076150633000).

Almost surely, 2^{20220000021211} is an apocalyptic number.

20220000021211 is a deficient number, since it is larger than the sum of its proper divisors (84602510789).

20220000021211 is an equidigital number, since it uses as much as digits as its factorization.

20220000021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84602510788.

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

Adding to 20220000021211 its reverse (11212000002202), we get a palindrome (31432000023413).

The spelling of 20220000021211 in words is "twenty trillion, two hundred twenty billion, twenty-one thousand, two hundred eleven".