22020122220211 has 4 divisors (see below), whose sum is σ = 22037047757424. Its totient is φ = 22003196683000.

The previous prime is 22020122220199. The next prime is 22020122220221. The reversal of 22020122220211 is 11202222102022.

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 22020122220211 - 2²¹ = 22020120123059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020122220221) 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, 8462766655 + ... + 8462769256.

It is an arithmetic number, because the mean of its divisors is an integer number (5509261939356).

Almost surely, 2^{22020122220211} is an apocalyptic number.

22020122220211 is a deficient number, since it is larger than the sum of its proper divisors (16925537213).

22020122220211 is a wasteful number, since it uses less digits than its factorization.

22020122220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16925537212.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22020122220211 its reverse (11202222102022), we get a palindrome (33222344322233).

The spelling of 22020122220211 in words is "twenty-two trillion, twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred eleven".