20222001202111 has 4 divisors (see below), whose sum is σ = 20222030038552. Its totient is φ = 20221972365672.

The previous prime is 20222001202099. The next prime is 20222001202127. The reversal of 20222001202111 is 11120210022202.

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 20222001202111 - 2¹⁵ = 20222001169343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222001202141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13339416 + ... + 14777821.

It is an arithmetic number, because the mean of its divisors is an integer number (5055507509638).

Almost surely, 2^{20222001202111} is an apocalyptic number.

20222001202111 is a deficient number, since it is larger than the sum of its proper divisors (28836441).

20222001202111 is an equidigital number, since it uses as much as digits as its factorization.

20222001202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28836440.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20222001202111 its reverse (11120210022202), we get a palindrome (31342211224313).

The spelling of 20222001202111 in words is "twenty trillion, two hundred twenty-two billion, one million, two hundred two thousand, one hundred eleven".