222201202120011 has 12 divisors (see below), whose sum is σ = 332844599060792. Its totient is φ = 148134134746512.

The previous prime is 222201202119997. The next prime is 222201202120033. The reversal of 222201202120011 is 110021202102222.

It is a happy number.

222201202120011 is a `hidden beast` number, since 222 + 201 + 20 + 21 + 200 + 1 + 1 = 666.

It is not a de Polignac number, because 222201202120011 - 2⁶ = 222201202119947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201202100011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457204119346 + ... + 457204119831.

Almost surely, 2^{222201202120011} is an apocalyptic number.

222201202120011 is a deficient number, since it is larger than the sum of its proper divisors (110643396940781).

222201202120011 is an frugal number, since it uses more digits than its factorization.

222201202120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914408239192 (or 914408239180 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222201202120011 its reverse (110021202102222), we get a palindrome (332222404222233).

The spelling of 222201202120011 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred two million, one hundred twenty thousand, eleven".