222201012211 has 4 divisors (see below), whose sum is σ = 222202516624. Its totient is φ = 222199507800.

The previous prime is 222201012169. The next prime is 222201012227. The reversal of 222201012211 is 112210102222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112210102222 = 2 ⋅56105051111.

It is a cyclic number.

It is not a de Polignac number, because 222201012211 - 2¹³ = 222201004019 is a prime.

It is a super-2 number, since 2×222201012211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201012511) 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, 503175 + ... + 835216.

It is an arithmetic number, because the mean of its divisors is an integer number (55550629156).

Almost surely, 2^222201012211 is an apocalyptic number.

222201012211 is a deficient number, since it is larger than the sum of its proper divisors (1504413).

222201012211 is a wasteful number, since it uses less digits than its factorization.

222201012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504412.

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

Adding to 222201012211 its reverse (112210102222), we get a palindrome (334411114433).

The spelling of 222201012211 in words is "two hundred twenty-two billion, two hundred one million, twelve thousand, two hundred eleven".