22212012220211 has 4 divisors (see below), whose sum is σ = 24231286058424. Its totient is φ = 20192738382000.

The previous prime is 22212012220183. The next prime is 22212012220243. The reversal of 22212012220211 is 11202221021222.

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 22212012220211 - 2⁶ = 22212012220147 is a prime.

It is a super-3 number, since 3×22212012220211³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212012220291) 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, 1009636919090 + ... + 1009636919111.

It is an arithmetic number, because the mean of its divisors is an integer number (6057821514606).

Almost surely, 2^{22212012220211} is an apocalyptic number.

22212012220211 is a deficient number, since it is larger than the sum of its proper divisors (2019273838213).

22212012220211 is a wasteful number, since it uses less digits than its factorization.

22212012220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019273838212.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22212012220211 its reverse (11202221021222), we get a palindrome (33414233241433).

The spelling of 22212012220211 in words is "twenty-two trillion, two hundred twelve billion, twelve million, two hundred twenty thousand, two hundred eleven".