222122221011 has 24 divisors (see below), whose sum is σ = 324588092400. Its totient is φ = 146358216000.

The previous prime is 222122221003. The next prime is 222122221019. The reversal of 222122221011 is 110122221222.

It is a happy number.

222122221011 is a `hidden beast` number, since 2 + 221 + 222 + 210 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (222122221003) and next prime (222122221019).

It is not a de Polignac number, because 222122221011 - 2³ = 222122221003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222122221019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305065 + ... + 733013.

It is an arithmetic number, because the mean of its divisors is an integer number (13524503850).

Almost surely, 2^222122221011 is an apocalyptic number.

222122221011 is a deficient number, since it is larger than the sum of its proper divisors (102465871389).

222122221011 is a wasteful number, since it uses less digits than its factorization.

222122221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428627 (or 428624 counting only the distinct ones).

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

Adding to 222122221011 its reverse (110122221222), we get a palindrome (332244442233).

The spelling of 222122221011 in words is "two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, eleven".